196._____ much advice I gave him, he did exactly what he wanted to do.

　 A. How　　　 B. Whatever　　　 C. However　　　 D. No matter

195.If I knew the answer, I wouldn't be asking, _____ ?

　 A. didn't I　　　 B. did I　　　 C. would I　　　 D. wouldn't I

194._____ the poem a second time, the meaning will become clearer to you.

　 A. our having read　　　 B. While reading　　　 C. If reading　 　　　D. When you read

193.Sir, you _____ be sitting in this waiting room. It is for women and children only.

　 A. oughtn't to　　　't　　　 C.won't　　　 D.needn't

192.The thing that _____ is not whether you fail or not, but whether you try or not.

　 A. matters　　　 B. cares　　　 C. considers　　　 D. minds

191.Yesterday,Jane walked away from discussion.Otherwise she _____ something she would regret later.

　 A. had said　　　 B. said　　　 C. might say　　　 D. might have said

190.-The cars give off a great deal of waste gas in the streets.

　　-Yes. But I'm sure something will be done to _____ air pollution.

　 A. reduce　　　 B. remove　　　 C. collect　　　 D. warn

189.When I handed the report to John, he said that George was the person _____ .

　 A. to send　　　 B. for sending it　　　 C. to send it to　　　 D. for sending it to

188.They were surprised that a child should work out the problem _____ they themselves

　couldn't.

　 A. once　　　　　　 B. then　　　　 　　C. while　　　　　　 D. if

187.Many countries are increasing their use of natural gas, wind and other forms of_____ .

　 A. energy　　　　　 B. source　　　　　 C. power　　　 D. material