问题 选择题

— I sent him the dictionary by mail this morning .

—You ____ that; he''s coming tomorrow afternoon .

A.needn''t have done

B.didn''t have to

C.needn''t do

D.mustn''t do

答案

A。

表示“不必做某事但事实上已做了,”应用“needn''t +不定式的完成式”。

单项选择题 A1/A2型题
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