题目内容

After the project, the engineers immediately started a new one

A. completed
B. has completed
C. had been completed
D. has been completed

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He had been a doctor for five years by the time hefrom the medical school.

A. will graduate
B. will have graduated
C. graduates
D. graduated

-What were you up to when they came in the office?-I for a while and some typing.

A. was playing; was going to do
B. played; did
C. had played; was going to do
D. had played; did

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A. had wondered
B. was wondering
C. would wonder
D. did wonder

-When did he go to Paris? -Oh, hethere since last summer.

A. went
B. has been
C. has gone
D. was