35．There many kinds of birds around here, but now we seldom see them because of the air pollution. ——青夏教育精英家教网——

摘要：35．There many kinds of birds around here, but now we seldom see them because of the air pollution. A．use to B．use to have C．use to be D．are

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There _____ many kinds of birds around here,
but now we seldom see them because of the air pollution.

A. use to
B. use to have
C. used to be
D. are

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There _____ many kinds of birds around here, but now we seldom see them because of the
air pollution.

A. use to
B. use to have
C. use to be
D. are

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There _____ many kinds of birds around here, but now we seldom see them because of the air pollution.

A. had
B. used to have
C. used to be
D. are

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