The house is dirty because it ________ s
题型:选择题
问题:
The house is dirty because it ________ since they moved out.
A.doesn't clean
B.isn't cleaned
C.hasn't cleaned
D.hasn't been cleaned
The house is dirty because it ________ since they moved out.
A.doesn't clean
B.isn't cleaned
C.hasn't cleaned
D.hasn't been cleaned