Question

【题目】Remember to turn off the lights you leave the room.

A.afterB.whenC.becauseD.though

Answer 1

【答案】B

【解析】

句意：当你离开房间的时候，记得关灯。

A. after在……之后；B. when当……时；C. because因为；D. though虽然，根据所给空前面的句子Remember to turn off the lights和后面的句子you leave the room可知，应该是“当……时”，故答案选B。