新概念英语2册47课问题.Though Mr.Thompson had turned the lights off before _英语解答

新概念英语2册47课问题.
Though Mr.Thompson had turned the lights off before he went to bed,they were on in the morning.
请问turned the lights off 能否改成turned off the lights?
为什么,有什么区别啊?

人气：153 ℃　时间：2020-05-02 19:49:10

解答

能改,是一样的意思,但如果the lights用it来代的话,就只能放中间