问题

Was Tom nervous before making a speech to the class?—Yes, he was. I noticed his hand_______ .
A:shakes
B:shaking
C:shake
D:shook
B:shaking
C:shake
D:shook
正确答案是:
同类题型
Newton was sitting under an apple tree ______ an apple fell onto his head.
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Do you have enough men to carry these chairs? —No. I think we need _______ men.
________ seems to be no possibility _______ the shy girl can win the first prize in the contest.