The number of foreign students attending Chinese universities _____ rising steadily since 1997.
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A
is
B
are
C
has been
D
have been
推荐题目
Many students apply for a position at that company, but only a few _____.
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A
are being accepted
B
are accepted
C
have accepted
D
accept
Do you know the tall girl_____in red?
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A
wearing
B
wears
C
is dressed
D
dressed
— The room is dirty. — I know. It ______ for several weeks.
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A
hasn’t cleaned
B
didn’t clean
C
wasn’t cleaned
D
hasn’t been cleaned