There are many people downstairs. What do you think _____? 
#40285
A
to happen
B
is happening
C
is happened
D
happened
推荐题目
The boy ______ home by the police last Sunday.
#36959
A
is taken
B
was taken
C
has taken
D
will take
The exchange students from England_____ in China in a week.
#39932
A
arrive
B
have arrived
C
are arriving
D
will arrive
I ____ Mr. Smith since he moved to Shanghai.
#38896
A
didn’t hear from
B
don’t hear from
C
won’t hear from
D
haven’t heard from