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
He ________ his position because he had been offered a better job.
#100659
A
resigned
B
retired
C
dismissed
D
fired
Paul didn’t want to put on the coat. He said that he _________ by his friends.
#103498
A
will be laughed at
B
will be laughed
C
would be laughed at
D
would be laughed
This machine _______. It hasn’t worked for years.
#102303
A
didn’t work
B
wasn’t working
C
doesn’t work
D
isn’t working