单项选择题

Not until quite recently（）he gave up his plan to go abroad.

A. I knew
B. I had known
C. did I know
D. I did know

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单项选择题
If he （）the job, he will get more money right away.

A. accept
B. accepts
C. will accept
D. has accepted
单项选择题
A doctor, together with two nurses, （）sent to the mountain village.

A. have
B. have been
C. has
D. has been
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