6、It is five days        we came here.

A．when              B．before            C．as                   D．since

7、It was not long       he got to know it.

A．when              B．before            C．after                     D．until

8、We shall go      we are free.

A．whenever              B．whatever        C．wherever        D．however

9、        I live I must serve the people heart and soul.

A．When             B．So long as       C．As soon as      D．On condition

10、I was reading a novel       he was watchingTV.

A．when              B．while              C．before            D．as

6、D  7、B 8、A  9、B  10、B