—Your boss looks rather a kind person.
—But in fact he is cold and hard on us. You ______ believe it!
| A．shouldn’t | B．mustn’t | C．wouldn’t | D．needn’t |
--I’m sorry, but I didn’t mean ______ out your secret.
--But you know, letting out one’s secret means ______ one’s feeling.
| A．to let; to hurt | B．letting; hurting |
| C．to let; hurting | D．letting; to hurt |
The boys were playing football on the ground. Sandy didn’t want to ______ them.
| A．take part in | B．join |
| C．join in | D．attend |
Finding information on the Internet is easy. The ______ is how you can tell whether the information is useful or not.
| A．ability | B．competition |
| C．challenge | D．knowledge |
You’d better have your room ______. It’s ______.
| A．clean; in mess | B．clean; in a mess |
| C．cleaned; in mess | D．cleaned; a mess |
The condition prevents the blood from freely.
| A．circulating | B．spreading |
| C．flowing | D．circling |