The house is dirty because it  since they moved out.
#100966
A
doesn’t clean
B
isn’t cleaned
C
hasn’t cleaned
D
hasn’t been cleaned
推荐题目
Food will include buffalo that________________ over an open fire . 
#103303
A
roasts
B
is roasting
C
will be roasted
D
had been roasted
It is the first time I ______ this kind of music.
#100782
A
heard
B
am hearing
C
have heard
D
had heard
Profits in his company went up by 25% last year,and _____ so far this year though the  financial situation is bad.
#104019
A
haven’t decreased
B
didn’t decrease
C
haven’t been decreased
D
weren’t decreased