题目内容

An MP5 player of this type costs too much. You’d better ______

A. wait
B. waiting
C. waited
D. to wait

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Many a student ______ the importance of learning a foreign language.

A. have realized
B. has realized
C. have been realized
D. has been realized

The gas works____ near the city now.

A. is
B. are
C. was
D. were

Wisky and soda ______ his favorite drink now.

A. is
B. are
C. were
D. have been

I can’t understand this passage _______ there are no new words in it.

A. if
B. because
C. though
D. an

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