精选优质文档-倾情为你奉上必修五 Unit 2The United Kingdom单元测试3笔试部分:I. 单项选择21. It remains_ whether the medicine has side effect. Aseeing B. to see C. seen D. to be seen22. The boy found_ a bank was dismissed. A. to rob B. to have robbed C. robbed D. robbing23. New reports say peace talks between the two countries have broken _with no agreement reached. A. down B. out C. in D. up24. What great trouble the boy _his father to give