题目内容

22.The report shows that over half of the women are suffering_________second-hand smoke at theworkplace.

A)in
B)for
C)on
D)from

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23. Our goal is to fulfill the needs of our clients, __________challenging they may be.

A)however
B)whenever
C)wherever
D)whatever

24. Only after the secretary saw the train disappear in sight___________the railway station.

A) he leaves
B)has he left
C) he left
D)did he leave

25. If they had worked harder,they_____________the project ahead of time.

A)will finish
B)would have finished
C)have finished
D) had finished

26.The company has decided to sponsor the exhibition,___________helps to promote its image.

A) that
B)who
C)what
D)which