I was reading ____ (A when,B as)the light went off.

I was reading ____ (A when,B as)the light went off. He was reading when the light went out. I was reading a book （ ）the phone rang.A.before B.when C.as When ____ that it was getting late ,I put off the light and They were reading ( ) the light was out .A.when B.while选A还是B She went out----------the light-----------.A.on,off B.with,i 试卷上有一道题目：I forgot _______ off the light when I went to bed.A While i was watching TV,the light went off的同义句 When found that it was getting late, I put off the light and 1、when __that it was getting late ,I put off the light and w I GOT THE NEWS FROM GILL ) THE MEETING WAS PUT OFF.A:WHEN B: While I was doing my homework,the light went out.用when改同义句