You __________be tired—you’ve only been working for an hour.
| A．must not | B．won’t | C．can’t | D．may not |
“Long time no see” is _____ sort of informal, but it is part of _____ language that Americans use daily.
| A．the; a | B．a; the | C．不填；the | D．a; a |
— I made it at last．I am on top of the world!
— __________
| A．Congratulations． | B．Don’t fall down! |
| C．Oh, really? | D．So far, so good. |
------ I heard that there were a lot of shouts and screams at yesterday’s party．It must have been terrible．
------- Oh, no．________ , I enjoyed every minute．
| A．In the end | B．As a result |
| C．On the other hand | D．On the contrary |
Suspecting the traveler of carrying drugs, the Customs official stopped him and ______ suitcase, but found nothing at all．
| A．looked up | B．went through | C．searched for | D．referred to |
The old professor told us that every part of the materials should be made use of _____ the station．
| A．building | B．to build | C．build | D．being built |