精选优质文档-倾情为你奉上.单项选择。(每小题1分，共15分)( )1.Britain is _ European country and China is _ Asian country.A. an；an B. a；a C. a；an D. an；a( )2.Do you know who _ America?No. Lets find out the answer on the Internet.A. looked for B. discovered C. found out D. invented( )3.What did the guard say to you just now?He warned us _ any farther. Theres danger ahead.A. didnt walk B. not to walk C. walk D. to walk( )4.Im lucky enough to have a _
