When he ________ home, he saw his mother           the room.
#61148
A
got back; clean
B
got on; cleaning
C
got at; clean
D
got back; cleaning
推荐题目
 Do you need more people _______ you _______ the vegetables?
#58120
A
help, water
B
to help, water
C
help, watered
D
to help, watering
You look tired. You’d better______ a good rest. 
#52589
A
stop to have
B
stop having
C
to stop to have
D
to stop having