When he ____home,he saw his mother clean
题型:选择题
问题:
When he ____home,he saw his mother cleaning the room.[ ]
A. gets back
B. got back
C. had got back
D. has got back
When he ____home,he saw his mother cleaning the room.[ ]
A. gets back
B. got back
C. had got back
D. has got back