题目内容
He ___________ unwisely, but he was at least trying to do something helpful.
A.may have acted B.must have acted
C.should have acted D.would act
A
【解析】
试题分析:句意:他的行为也许不明智,但是他至少能够尝试做一些有帮助的事了。may have done可能已经做了;must have done一定做过某事;should have done应该应经做过某事; would done过去将要做。根据句意故选A。
考点:考查情态动词的用法。
点评:本题难度适中。情态动词是高中阶段的重要的语法项目,需要考生掌握它们的不同的语法及区别,尤其是情态动词的完成式表示对过去的推测,不同的情态动词推测的可能性大小上不同,需要考生理解它们的不同的语法。
即学即练:Why didn’t you tell me there was no meeting today ? I _____ all the way here through the heavy snow.
A. needn’t have drive
B. can’t have driven
C. mustn’t have driven
D. shouldn’t have driven
解析:A。句意:你为什么不告诉我今天没有会?我本来没必要冒着大雪开车跑这么多路。Needn’t have done表示本来没必要。答案为A。
He ___________ unwisely, but he was at least trying to do something helpful.
A.may have acted | B.must have acted |
C.should have acted | D.would act |
He__________unwisely, but he was at least trying to do something helpful.
A.may have acted |
B.must have acted |
C.should act |
D.would act |
He__________unwisely, but he was at least trying to do something helpful.
A.may have acted | B.must have acted | C.should act | D.would act |