6. He is a man __ no one has a better right to speak.

　　A. whom

　　B. to whom

　　C. than who

　　D. than whom

　　7.______ would have known the answer.

　　A. Clever anyone

　　B. Anyone clever

　　C. Anyone is clever

　　D. Clever is anyone

　　8. Why are you still smoking? You _______.

　　A. should have given up it

　　B. should have given it up

　　C. ought to have given up it

　　D. should given it up

　　参考答案:BCDDCDBB