—The window is dirty.—I know. It ______ for weeks.
#102943
A
hasn’t cleaned
B
didn’t clean
C
wasn’t cleaned
D
hasn’t been cleaned
推荐题目
Gary Locke , a Chinese-American, once______ as the governor of Washington for 8 years and now is U．S．Commerce Secretary．
#103991
A
had worked
B
worked
C
is working
D
has been working
--Look! Someone ________ the floor.--Well, it wasn’t me. I went shopping just now.
#100635
A
had swept
B
has swept
C
was sweeping
D
is sweeping
— Tom, will you attend the press meeting to be held this morning? — But I ______ anything about it.
#99852
A
wouldn’t be told
B
haven’t been told
C
haven’t told
D
am not told
— Is it all right if I come at about 8.30 ? — No, I ________ the football match then.
#103474
A
watch
B
will be watching
C
are watching
D
watched
．If I _________too late last night, I could not have fallen asleep in class.
#103799
A
didn’t stay up
B
hadn’t stayed up
C
don’t stay up
D
haven’t stayed up