--- Where is Mike now?--- Look! He _______the classroom.
#41831
A
cleans
B
cleaning
C
is cleaning
D
to clean
推荐题目
We _______go to the park if it _______rain tomorrow.
#38100
A
don’t,isn’t
B
don’t,stop
C
shall,doesn’t
D
aren’t,doesn’t
----What do you want to do for vacation?------I_____my grandmother.
#38037
A
visit
B
am going to vist
C
visited
D
visiting
An accident ________ on Zhongshan Road yesterday afternoon. 
#38538
A
has been happened
B
was happened
C
is happened
D
happened