问题详情：
用turn的相关短语填空。
1．They are discussing the you want to listen to the radio，you must ________ it ________．
2．Remember to ______________ the light before you leave.
3．It's so dark in the not ______________ the light?
【回答】
；down off on
知识点：动词和动词短语
题型：完成句子
