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
Jack’s grandfather ________for more than twenty years.
#41835
A
has dead
B
has died
C
has been died
D
has been dead
--Where did you go on vacation?   --I ___________.
#37721
A
stay at home
B
am going to Beijing
C
visit my uncle
D
went to the beach
—What were you doing at this time yesterday?—We _______ in the classroom. 
#39914
A
read
B
were reading
C
are reading
D
was reading