大学英语大学英语大学英语四级(CET4)1992年1月大学英语四级(CET-4)真题试卷
题目内容

If Harry did not attend the conference last night, he ________ too much work to do.

2024-07-09

A.must have had

B.must have

C.had had

D.had to have had

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