题目内容

Students _______ a facebook group

A. set up
B. set to
C. set at
D. set in

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We will make every effort _______ the problem.

A. solve
B. to solve
C. solving
D. solved

He learned a lot _______ the two-month training.

A. for
B. at
C. on
D. through

____________ you please do me a favour?

A. Would
B. Shall
C. Must
D. Can

They keep ____________ (send) me emails.

A. send
B. sending
C. sent
D. be sent

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