------Tony, are you listening to me ？------Sorry sir, I to understand what you said just now.
#100114
A
try
B
was trying
C
tried
D
have tried
推荐题目
This is the second time Nie Haisheng ________ to be the astronaut who took the glorious task.
#104309
A
has been chosen
B
had been chosen
C
was chosen
D
chose
(2013·高考山东卷)I didn’t think I’d like the movie，but actually it ________ pretty good.
#99705
A
has been
B
was
C
had been
D
would be
--May I remind you that Mr. White is waiting outside, Mrs. Green? ---Oh, I _________ all about it.
#103796
A
forget
B
had forgotten
C
forgot
D
was forgetting
—Have you ever visited the Water Cube? —Yes. When I served as a volunteer in Beijing, I it twice.
#102056
A
have visited
B
visited
C
had visited
D
had been visiting
The environment will be further polluted unless some measures _____.
#100612
A
are taken
B
will be taken
C
are being taken
D
should be taken