Example sentences of "[noun] they have [to-vb] [adj] " in BNC.

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1 Our bodies , for instance , are usually hotter than our surroundings , and in cold climates they have to work hard to maintain the differential .
2 If the Romans wanted systematic information about the Celtic lands and institutions they had to recruit Greek scholars .
3 Well of course they have to wear different colours anyway do n't they ?
4 While Folly was coming uncomfortably to terms with the fact that the reason they had to avoid built-up areas was to avoid too much carnage if they fell out of the sky , Luke turned to the man in the overalls , who was waiting respectfully for them to finish talking .
5 For his purpose they had to become accustomed to going about in the fields and the wood .
6 For example , if they move through it to get to Drachenfels ' bedroom ( location 31 ) , if they re-enter from the north they have to make fresh WP tests .
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