The sun heats the earth, ___________ is very important to living things.
| A．that | B．what | C．which | D．where |
They’ve already made it clear to us that they will never ____ to any difficulty.
| A．give up | B．give out | C．give in | D．give away |
—Have youhim to give up the job?
—Yes，I have. But he doesn’t listen to me.
| A．persuaded | B．suggested | C．agreed | D．advised |
I was about to tell him the secret __someone patted me on the shoulder.
| A．as | B．until | C．while | D．when |
A number of books in the library ___been stolen so that the number of them ___ smaller than before.
| A．have, is | B．has, is | C．has, are | D．have, are |
You’d better have the second-hand car ______ before you sell it.
| A．repaired | B．repair | C．in repair | D．repairing |