— The room is dirty. — I know. It ______ for several weeks.
#101322
A
hasn’t cleaned
B
didn’t clean
C
wasn’t cleaned
D
hasn’t been cleaned
推荐题目
Let’s watch the news on CNN. It        at eight o’clock.
#100203
A
will start
B
is starting
C
is going to start
D
starts
  The news finally came, which _____them all!
#103666
A
disappoints
B
disappointing
C
disappointed
D
disappoint
Travelers_______________ that they should bring their ID cards with them.
#103716
A
have reminded
B
are reminded
C
were reminding
D
had been reminded
--- I’m sure Andrew will win the first prize in the final.--- I think so. He ___________ for it for months
#104866
A
is preparing
B
was preparing
C
had been preparing
D
has been preparing