–Our classroom _________ twice a day. So it is very clean.–It is important for us to do this.
#44640
A
is sweeping
B
is swept
C
sweeps
D
has swept
推荐题目
 — Alice, you ______ on the phone.— I’m coming. Thanks.
#44380
A
want
B
wanted
C
are wanting
D
are wanted
---Where’s your mother?   ---Oh, she ______ Shanghai on business. 
#44748
A
have been to
B
have gone to
C
has been to
D
has gone to
The little boy ____ by the big one this morning. 
#44873
A
made cry
B
was made cry
C
made to cry
D
was made to cry
The 29th Olympic Games _____ in Beijing in 2008.
#45017
A
is held
B
was held
C
holds
D
held