- 试题详情及答案解析
- Drivers are warned that it is dangerous to talk on the phone while________.
A.drive | B.driving |
C.drove | D.to drive |
- 答案:B
- 试题分析:考查状语从句的省略。当状语从句的主语和主句主语一致且含有be动词时,可以把状语从句的主语和be动词一起省略本句在while后面省略了they are。句意:司机们被警告当他们开车的时候打电话是很危险的。故B正确。
考点:考查状语从句省略