—Linda, together with her parents, ______up the mess in the park at the moment.—It’s meaningful to be a volunteer. Let’s join them.
#41675
A
is cleaning
B
are cleaning
C
has cleaned
D
have cleaned
推荐题目
--Could you tell me when Mr. Li ______ in Beijing?--Sure. When he _____, I ’ll call you. 
#36954
A
arrives;will arrive
B
will arrive; arrives
C
arrives; arrives
D
will arrive; will arrive
I will stay at home and read some books if it _________ tomorrow.
#39778
A
rain
B
will rain
C
rains
D
is going to rain
—How long have you lived here?—Since I _________.
#41716
A
married
B
got married
C
married to my wife
D
married with my wife
 ---Let’s go fishing if it      this weekend.  --- But nobody knows if it      .
#41633
A
is fine, will rain
B
will be fine, rains
C
will be fine, will rain
D
is fine, rains