—May I smoke here? —If you ______, choose a seat in the smoking section.
| A．should | B．could | C．may | D．must |
______ the police thought he was the most likely one, since they had no exact proof about it, they could not arrest him.
| A．If only | B．Although | C．As long as | D．As soon as |
My best friend, Tom, should ______ me ______ to my boss, which hurt me deeply.
| A．give, out | B．give , away | C．give, off | D．give , up |
After several part-time jobs, he has now got a ________ job in a bank.
| A．precious | B．scary | C．specific | D．Stable |
---Jackson had a car accident.
--- He _______ have drunk so much and driven.
| A．mustn’t | B．wouldn’t | C．shouldn’t | D．couldn’t |
Rosa knows she is the eldest of the three children in the family, and she must work hard to _______ the other two. So she does.
| A．set an example to | B．make the most of | C．take a look at | D．play a trick on |