题目内容

When all those present(到场者)________ he began his lecture.

A.sit
B.set
C.seated
D.were seated

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If I had had time, I would have written to you. But in fact I ________ not.

A.have
B.would have had
C. had
D. had had

Yesterday I ________ (think) that you were not in Beijing.

Alice usually ________ (sit) in the front of the classroom, but she ________ (sit) at the back this morning

He ________ (tell) the news to us three days ago

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