Unit 3单元测试题Ⅴ. 单项选择(每小题1分， 共15分)从A、B、C、D四个选项中选择能够填入空白处最正确答案。( )21. ______ they’re brother and sister, they don’t look the same.A. Though  B. When   C. Because   D. If( )22. My cousins like to do the same things as ______.A. my  B. myself   C. me  D. mine( )23. Susan is ______ at English than Lucy.A. good  B. better   C. well  D. best( )24. ______ is your schoolbag ...