正在下载：单项选择-单元练习(2BU13-24单选题)

单项选择: 1. We all have certain duties and jobs ____________. A. work  B. to carry out  C. to go on with  D. make 2. There’s a bit of dust in your eye but it should __________by itself. A. operate out   B. walk out   C. work out   D. turn out 3. Please ...