The number of foreign students attending Chinese universities ________ rising steadily since1990.
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A
is
B
are
C
has been
D
have been
推荐题目
Dr. Green, as well as his wife and children, ______ visit Beijing this winter.
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A
was going to
B
were going to
C
is going to
D
are going to
The factory used 65 percent of the raw materials, the rest of which ________ saved for other purposes.
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A
is
B
are
C
was
D
were
When you are in trouble, you may _______ your teacher and classmates for help.
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A
turn away
B
turn around
C
turn back
D
turn to
Either you or one of your students________ to attend the meeting that is due tomorrow.
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A
are
B
is
C
have
D
be