![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
() they arrived there, they started to work at once.
A.After
B.While
C.As
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.After
B.While
C.As
A.Yes, I am.
B.No, I don't.
C.No, I've never been ther
D.Certainly, I went ther
E.
A.Don't mention it.
B.No problem.
C.It snows too muc
D.It's popular ther
E.
A.No, he is not ther
B.Yes, what do you want?
C.Hold on.I’ll get him.
D.Yes, Tom is m
E.
A.Go on a business trip with him
B.Help him with his research paper
C.Write a report for him
Hardly ______ when the door suddenly closed.
A. they had arrived
B. they arrived
C. did they arrive
D. had they arrived
Aunt Clara arrived by ______.
A.car
B.plane
C.train
D.boat
No sooner _____ than the trouble started.
A.he had arrived
B.had he arrived
C.he arrived
D.did he arrived
A.should they have arrived
B.had they arrived
D.would they have arrived
C.did they arrive
The airplane arrived one hour behind ______.
A.timetable
B.plan
C.date
D.schedule