题目内容
20.-Tom graduated from college at a very young age.-Oh,he ________ have been a very smart boy then.( )
A. | could | B. | should | C. | might | D. | must |
分析 ---汤姆很年轻时就大学毕业了.
---哦,那他那时一定是个非常聪明的男孩.
解答 答案是D.考查情态动词的辨析.could 能,会;should 应该;might 也许;must 一定,表示有依据的推测.句意是:---汤姆很年轻时就大学毕业了.---哦,那他那时一定是个非常聪明的男孩.故选D.
点评 解答此类题目,首先要掌握每个情态动词的用法及区别,然后根据句意选择正确的答案.
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