221. The world is _____ seven continents and four oceans .

　 A. made up of　 B. made out of　　 C. made from　 D. made in

220. I thought I might be transferred but ______ it is I shall have to look for a new job .

　 A. to　 B. with　　 C. as　　 D. for

219. ---- The boys are not doing a good job at all , are they ?

　 -----__________ .

　 A. I guess not so　 B. I don’t guess　 C. I don’t guess so　 D. I guess not

218. He doesn’t believe you are innocent , _______ ?

　　 A. are you　　 B. aren’t you　　　 C. does he　　　 D. doesn’t he

217. He was a much older tennis player but he had the great ______ of experience .

　　 A. interest　　 B. benefit　　 C. profit　　 D. advantage

216. I’d like to take ______ of this opportunity to thank you for your help .

　　 A. care　　 B. chance　　 C. advantage　　 D. use　

215. When is the best time to _______ my employer about an increase in salary ?

　 A. arrive at　　 B. get to　 C. reach　 D. approach

214. _____ from the number of cars , he thought , there were not many people at the club yet .

　 A. To judge　 B. Judged　 C. Judging　　 D. Having judged

213. ______ from his accent , he must be ______ America .

　 A. Judged ; from　 B. To judge ; of　 C. Judging ; from　 D. Judging ; of

212. When Karl Marx was forced to leave his native country and come to England , he then made London the ______ for his revolutionary work .

　　 A. basis　　 B. homeland　　 C. base　　 D. foundation