题目内容

After the bargaining process, a final agreement was signed.

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

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If I in your position, I would contact the HR department directly by email or text.

A. am
B. will be
C. were
D. has been

Helen asked me the film called The Wandering Earth.

A. have I seen
B. had I seen
C. whether I have seen
D. if I had seen

My new glasses cost me the last pair that bought.

A. three times
B. three times larger than
C. three times as much as
D. as much three times as

Studies have shown that humans working with machines arethan a human or a machine working alone.

A. more effective
B. most effective
C. effective
D. least effective

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