Example sentences of "[prep] which they must " in BNC.

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1 In either event , mechanical or electrical , the sound impulses would have to pass through the waterproof casing , after which they must pass through the fuselage of the plane . ’
2 The level of demand is to do not only with the tasks as they are done but also with the duration for which they must continue to be done .
3 With slick efficiency successive Conservative administrations have used teacher unrest ( for which they must take a considerable share of responsibility ) as a justification for taking an even firmer control of the whole education service .
4 I can not believe that the Masai , as I know them , would have applied for membership of an association of which they must be completely ignorant' .
5 It does however strike one of some of the conservative authors , particularly Catholic , that they have abstracted their theological beliefs from other knowledge of which they must be in possession .
6 In more realistic conditions , however , managers are faced with a complex series of questions in the resolution of which they must exercise choice , for example , about plant location , production methods , employment levels , output , advertising , investment , research and development , and so on .
7 Most of the textbooks , were handed to us came from cupboards of storage , of which they must have had about sixty each , those classes were always , from then on , sixty boys in a class for one teacher .
8 It is unreasonable that local health authorities should have to compare routine needs — for hernia operations , or knee and hip joint operations — with the problems surrounding experimental surgery , of which they must have no direct knowledge .
9 And the total they seek is now around five hundred and sixty million pounds — of which they must deposit ten percent by the thirtieth of this month .
10 There they laboured and ate and prayed and slept and raised their kids , and treasured their stockpile of bolt guns and heavy stub weapons with which they must defend their domicile and livelihood against families not allied to them nor owing fealty to Lord Spinoza .
11 However third parties may not be able to form a proper view of the extent of the powers of the organisation with which they must deal .
12 When journalists and broadcasters are recruited for an established media organization — a newspaper , radio or television service — there is already an existing tradition , a set of values , professional codes and ethics , into which they must fit .
13 Biologists try to interpret the structures they see as performing some function , subject to the constraints set by the materials of which they are made , and the conditions under which they must operate .
14 The fact surely is that , within any specific culture , the nature of the signals , and of the shared signifying system within which they must operate , is radically connected with the social organization of a very wide area of perceived reality .
15 The answer is that we might , because there is a sense in which they must indulge in a kind of competition with each other .
16 Section 290(2) of the Public Health Act 1936 states that any notice requiring remedial works to be carried out must indicate their nature and also specify the time limit in which they must be done .
17 The rejection by the Buid of any form of legitimate hierarchy or aggression within their society must be set within the context of a larger cosmological system in which humans are under constant attack by both predatory spirits and lowlanders , and in which they must commit parallel acts of aggression against their animals .
18 As crime is related to the pattern and outlook of the society in which it occurs , so penal methods may need to be adapted to the society in which they must operate .
19 Notwithstanding their competition and confrontation , both capitalist and socialist countries were coming to appreciate that they lived in an ‘ interdependent , in many ways integral world ’ in which they must cooperate for their common benefit .
20 The Court of Appeal concluded that this was a case of deliberate and secret action by the employees and the defendants in circumstances in which they must have known the exact result of what they were doing and must have known it was wrong .
21 Some local authorities , such as Torbay , that have within them a large number of second homes , from which they must derive some income because of the cost incurred in administering that situation , might like greater flexibility — such as that available under the rating and community charge systems .
22 British filmmakers have always needed to face two ways , inwards towards the hopes and fears of the native audience to which they must address their pictures , and out to a broader , international public .
23 Pediculus humanus corporis , the body louse , and Pediculus humanus capitis , the head louse , share with Phthirus pubis three pairs of legs , a predilection for man or the higher apes , and a dependence on fresh blood , to which they must have access at least twice a day .
24 This is a shift in negative potential which occurs when subjects are presented with a stimulus signalling some imminent event to which they must respond .
25 They stood on the step and waited for the taxi with black bands on their arms and suitcases in their hands , forlorn passengers from a wrecked ship , clutching a few haphazardly salvaged possessions and staring in dismay at the choppy sea to which they must commit themselves .
26 At one extreme is the structured interview in which interviewers use a schedule to which they must strictly adhere for all respondents .
27 His way into the sport was typical of the drivers of his generation : not having any money of his own , and his parents being both unwilling and unable to finance a career on which they must have looked with some distaste , Hunt had to start where he could : in the event , with a stripped-down Mini in which he learned the rudiments of the sport .
28 It will be worth while to call upon the asserters to repair to Bridgend to witness the appearance of the jugs , on which they must feel conscious of an irregularity and impropriety of conduct …
29 Equivalently , on a flow basis , firms compare the rate of return on a new investment with the interest rate at which they must borrow to finance the project .
30 Guidelines have been issued to them on the point at which they must desist from the chase because of danger to the public .
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