185.When speaking in public, __________.

A.　　　 speech should be understood　 　

B.　　　 B. speech should be easy to understand

C.　 one should make himself understood　

D.　　 one should make listeners understand

ABCDA　 ABCDA　 BCDAB　 CDAAC

184.He insisted on staying _________ back home.

A. rather than going　　 B. rather than go

C. than going　　　　　 D. rather than to go

183.The population of the country is 3 million, _____ Kooris.

A. 1 % of which were made up of　　 B. 1 % of it were Kooris

C. and 1 % of which were made up of　 D. 1 % of them were

182.In the market I found the prices of vegetables were ______ high.

A. very too　 B. fairly too　　 C. quite much　　 D. rather too

181.I stood there patiently until he ________ his work.

A. has finished　 B. would finish　　 C. had finished　 　D. finishes

180.It will be a long time ______- he returns.

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

179._________ of us knows how many of them have been killed in that accident.

A. None　　 B. No one　　 C. Not all　　 D. Not a one

178.The natives could live for thousand years in the desert land _______ a foreigner could starve.

A. on which　　 B. which　 C. in that　　 D. where

177.As we all know, Jack is experienced _____ the problem of this kind.

A. to work out　 B. at working　 C. at working out　 D. for working out

176.I could have helped him out, to tell the truth, I _____ too busy.

A. am　　 B. was　　 C. have been　　 D. had been