—________，we should go and see her immediately.

　　A．If so

　　B．When necessary C．On condition that

　　D．Believe it or not

　　8.She opened her eyes with a start and was about to cry________she heard her father urgently telling her to keep quiet.

　　A．while B．when

　　C．before

　　D．after

　　9. —Where’s that report?

　　—I brought it to you________you were in Mr.Black’s office yesterday.

　　A．if

　　B．when

　　C．because

　　D．before

　　10.There were some chairs left over ________ everyone had sat down.

　　A．when

　　B．until

　　C．that

　　D．where

　　11. The opening between the rocks was very narrow, but the boys managed to ________ through.

　　A．pressB．squeeze

　　C．stretch

　　D．leap

　　12.The position ________ he wants to apply is very important for the development of the firm.

　　A．to which　B．for which

　　C．for that

　　D．with which

　　13.His accusation(诉讼)is hard to judge for the moment, because now all the existing laws don't ________ it.

　　A．apply to

　　B．refer to

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