The number of foreign students attending Chinese universities ________ rising steadily since1990. 
#37896
A
is
B
are
C
has been
D
have been
推荐题目
Most people _______when the big earthquake took place in that area.
#41920
A
are sleeping
B
were sleeping
C
slept
D
sleep
 The film _________________ for half an hour when she got to the cinema.
#38408
A
has been over
B
has finished
C
had been over
D
had finished
---How long ______ you ______  the bicycle?     ---About two weeks.
#39179
A
have, had
B
have, bought
C
did, buy
D
have, get