题目内容

The policeman stopped the drink and found that he _____alcohol.Test

A. drinks
B. has drunk
C. is drinking
D. had drunk

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I'd appreciateit if you could tell me how ______ the machine. A) operate B) to operate C) operating D) operated

A. operate
B. to operate
C. operating
D. operated

What are the essential differences___________ selling and marketing?A) betweenB) fromC) amongD) for

A. between
B. from
C. among
D. for

______writing a letter to the manager, he decided to talk to him in person.A)Due toB)Because ofC)As forD)Instead of

A. Due to
Because of
C. As for
D. Instead of

I didn’t answer the phone _________I didn’t hear it ring.A) ifB) unlessC) althoughD) because

A. if
B. unless
C. although
D. because

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