John promised his doctor he not smoke,and he has never smoked ever since. A. might   B. sh

发布时间:2020-08-17 01:12:58

John promised his doctor he     not smoke,and he has never smoked ever since.
A. might   
B. should
C. could
D. would

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A. might   
B. should
C. could
(答案→)D. would
解析:考查过去将来时。本题属于宾语从句的时态呼应。主句John promised his doctor中使用过去时,后面的从句也应该使用与过去时有关的时态。句意:John答应医生他不会在抽烟了,从那以后他就再也没有抽过。根据句意使用过去将来时的时态,故D项正确。
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