题目内容

We are _____ in different kinds of extracurricular activities on campus.

A. having involved
B. to involve
C. involved
D. involving

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Let me assure you that it was not done ___________.

A. intensive
B. intensively
C. intentional
D. intentionally

This medicine can ________ the pain in no time.

A. lessen
B. less
C. loose
D. loosen

Advertising is often the most ________ method of product promotion.

A. effective
B. effected
C. emotional
D. efficient

It is at 5 a.m. ____ the train from Beijing to Guangzhou will arrive.

A. for
B. with
C. that
D. when

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