--- What are you busy with? ---The exhibition ____ in the city next week.
#92520
A
held
B
will be held
C
to be held
D
being held
推荐题目
At the beginning of class, the noise of desks _____ could be heard outside the classroom. 
#98029
A
opened and closed
B
to be opened and closed
C
being opened and closed
D
to open and close
What’s the chance of ________ a general election this year?
#90576
A
there being
B
there to be
C
there be
D
there going to be