Look! What a clean room! Who_______ it?
#41921
A
has tidied
B
is tidying
C
will tidy
D
tidied
推荐题目
 –-Where is Mr Jackson?-- He         in the park. He        there every Sunday afternoon.
#36562
A
walks; walks
B
walks, is walking
C
is walking; walks
D
is walking; is walking
When we hurried to the meeting room, the meeting _______.
#39527
A
had begun
B
had been on
C
has begun
D
has been on