we put off the meeting.________________.A.BOBO was ill.B.As BOBO was ill.C.BOBO being ill.D.BOBO is ill.这个独立主格的结构答案是C.那B为什么不可以呢?as 就不能理解成因为了？

This is the ----we put off the meeting(ressonable) that's why we decided to put the discussion off... ''could we put off the meeting?''she askd. when we see a fire ,we should call 119 to____ the fire A put up B put off C put down D put out After we arrived at the mountain ,we () our tents A.put on B.put in C.put up D.put off填哪个?为什么、请详细说明 17.We are all for your proposal that the discussion _______.A.be put off B.was put off C.should put off D.is to be put off选啥, 单句改错:Let's put off the meeting until,then we will have timeLet's put off the meeting until next week ,then we will have time ( )it rain tomorrow,we would have to( )the picnicA.would;put forward B.should;call off C.were;put off D.should;put up put off on the backing we were having a meeting.The lights () A.went ofwe were having a meeting.The lights () A.went off B.put off C.got off D.fell off we must ____ running taps when we leave the tapA.put out B.take off C.turn off D.put down put the meeting off put off meeting有什么区别? The committee insisted that the meeting ________ .was put off put off should put off be put off If someone is smoking on the bus,we should ask,Could you please___that cigarette?A.put on B.put up C.put off D.put out 状语从句填空：We won’t put off the meeting unless it ____(rain) tomorrow. we have decided to put off hold a sports meeting because of the weather. we will put off the plan if it()[will rain,rain,has rained,rains] tomorrow We shouldn't put off the meeting until next Friday怎么改为被动语态