Example sentences of "[vb pp] once and [adv] " in BNC.

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1 The process of change is not something which is done once and then stops .
2 ( d ) Should the class teacher disagree , at least in part , with the way the film teaches something , the film may be seen once and then abandoned .
3 Another explanation would be that models were used once and then destroyed .
4 In practice most trade bills are discounted once and then held to maturity .
5 One of the major insights offered by Watson and Crick 's discovery was the basis of the mechanism by which DNA was replicated , but how does the eukaryotic cell , with its thousands of replication sites , ensure that all the information is copied once and once only .
6 He had only ever been discovered once and still bore the scars on his wrist from the Alsatian 's razor-sharp-teeth .
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