题目内容

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

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

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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

There is air _______ water on the moon.

A. and
B. or
C. so
D. yet

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