精选优质文档-倾情为你奉上2017年新版模拟试卷 第5套交际用语1. -Is that seat taken?-_.A. Please dont worryB. I dont think soC. Why not?D. Its very nice2. -How much is this necklace? -_. A. Its very nice B. Its a birthday present for my parents. C. It costs fifty pounds D. Its a bargain3. Sorry to give you so much trouble. -_. A. I think soB. Im so sorry C. Its OK D. You are busy4. I think the reference book