You needn’t have come in person- a letter enough.A. would beB. isC. would have beenD. w

发布时间：2020-08-16 21:59:25

You needn’t have e in person --- a letter     enough.
A. would be
B. is
C. would have been
D. was

网友回答

A. would be
B. is
(答案→)C. would have been
D. was
解析：考查情态动词用法。根据needn’t have e可知本土是对过去的情况进行说明。横线上也应该使用情态动词+have done,所以C正确。
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