—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
Though we don’t know what was discussed, yet we can feel the topic_____.
#104962
A
had changed
B
will change
C
was changed
D
has been changed
The water supply has been cut off temporarily because the workers ____ one of the main pipes.
#100577
A
had repaired
B
have repaired
C
repaired
D
are repairing
What will people die of in 100 years? If you think that is a simple question, you ______ attention to the revolution taking place in biotechnology.
#100802
A
have not been paying
B
had not been paying
C
were not paying
D
will not be paying
____ a few things you’d like for Christmas and I will go shopping now.
#101194
A
Talk
B
Name
C
Call
D
Speak
What can you suppose they___________ this time next year?
#103247
A
are doing
B
will do
C
will have been done
D
will be doing