-The window is dirty. -I know. It ___________ for weeks.
#99391
A
hasn’t cleaned
B
didn’t clean
C
wasn’t cleaned
D
hasn’t been cleaned
推荐题目
(2013·高考江苏卷)—Could I use your car tomorrow morning?—Sure.I________ a report at home.
#99701
A
will be writing
B
will have written
C
have written
D
have been writing
The plan _____ by the Chinese government ____ rejuvenating the nation by relying on science.
#102795
A
put forward, aimed at
B
was put forward, aiming at
C
put forward, was aimed at
D
put forward, aiming at
—Have you known Dr. Jackson for a long time?—Yes, since she________ the Chinese Society.
#104965
A
has joined
B
joins
C
had joined
D
joined
I had a discussion with Mr. Baker and hoped he _________ us an early reply.
#99796
A
would give
B
give
C
gave
D
had given
— Has Jack finished his homework yet? — I have no idea；he ＿＿it this morning.
#104425
A
was doing
B
had been doing
C
has done
D
did