The number of foreign students attending Chinese universitiesrising steadily since 1997.A.

发布时间：2020-08-16 08:46:39


The number of foreign students attending Chinese universities    rising steadily since 1997.
A. is
B. are
C. has been
D. have been

网友回答

A. is
B. are
(答案→)C. has been
D. have been
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