_____ pays a visit to the museum will get a free souvenir.
| A．Whoever | B．Whomever |
| C．Who | D．Whom |
It’s said that there are plenty of hotels in that town. There _____ be any difficulty for you to find one to stay in.
| A．mustn’t | B．oughtn’t | C．needn’t | D．shouldn’t |
Once we discover a mistake, we should not _____ it but correct it immediately, to create better conditions for economic development.
| A．ignore | B．postpone | C．deny | D．sheltered |
The thief took off his shoes when he slipped into the house in order to steal something ___.
| A．unnotice | B．unnoticed | C．unnoticing | D．to unnotice |
Boys and girls, you should know what a great difference good manners in public will ________ to a person.
| A．owe | B．belong | C．contribute | D．make |
Nowhere else in the world ________ to find this kind of fish except Brazil.
| A．went he | B．he went | C．did he go | D．he did go |