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
Look! David is helping his mother _______ the room.
#39685
A
is cleaning
B
cleaning
C
cleans
D
clean
Do you know        over there?
#39593
A
what happening
B
what was happened
C
what is happening
D
what did happen
He _____ in this factory for 20 years already.
#36321
A
will work
B
works
C
has worked
D
is working
Everyone ____ to know how ________ to the shopping mall ?
#42491
A
wants, get
B
wants, to get
C
want, getting
D
wants ,to getting