题目内容

He was told that it would be at least three more months____ he could recover and return work

A. when
B. before
C. since
D. that

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In my opinion, life in the twenty-first century is much easier than ________.

A. that used to be
B. it is used to
C. it was used to
D. it used to be

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A. why
B. how
C. unless
D. where

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As
B. Since
C. If
D. While

---Where’s that report?---I brought it to you ____you were in Mr. Black’s office yesterday.

A. if
B. when
C. because
D. before

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