—Youdidn’twaitforMr.Smithlastnight,didyou?—Yes,butwe
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问题详情:
—You didn’t wait for Mr. Smith last night, did you?
—Yes, but we ________. He didn’t return home at all.
A. don’t have to B. needn’t have C. didn’t need to ld have
【回答】
B
知识点:情态动词
题型:选择题