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外语
Jim’s score on the test is the highest; he______hard.
Jim’s score on the test is the highest; he______hard.
admin
2013-11-24
89
问题
Jim’s score on the test is the highest; he______hard.
选项
A、should have studied
B、could have studied
C、must have studied
D、could study
答案
C
解析
should have done和could have done的意思均为“本该做……”,言下之意是并没有做后面的动作。must have done的意思为“一定做了……”,could do的意思是“能做……”。正确答案为C。
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