True friendship is like sound health, whose value is seldom known it is lost.
| A．when | B．though | C．unless | D．until |
Nobody knows the man killed in the accident, so it is difficult for the police to find out his _____.
| A．identity | B．height | C．weight | D．thought |
I don’t think he is a good boy; I am _____his empty talk.
| A．grateful for | B．tired of | C．crazy about | D．concerned about |
The old woman _____ the traffic lights and nearly knocked into a car.
| A．ignored | B．checked | C．disliked | D．obeyed |
—What’s wrong with you, Darling?
—I’m _____a fever. I think I am dying.
| A．recovering from | B．getting into |
| C．catching up with | D．suffering from |
Would you please _____ the children down. They’re too excited.
| A．put | B．pull | C．calm | D．push |