We’ll put off the picnic until next week,when (=by then) the weather may be better.请问这句话为什么when 可以用by then?

——What are you going to do for the School Day?——We'll _____ a new play.A.put out B.put off C.put into D.put on请简要说明理由 This is the ----we put off the meeting(ressonable) We’ll put off the picnic until next week,when (=by then) the weather may be better.请问这句话为什么when 可以用by then? be quick!the plane is goingto ( ),or we`ll miss it.选择：a call b take down c put no d take off that's why we decided to put the discussion off... ''could we put off the meeting?''she askd. we''ll be better off wifh the start we''ll be better off wifh the start put off,put back,put over都有推迟的意思,这些有什么区别例如There are so many people off sick we'll have to put the meeting -------until next week.A.back B.off C.over D.by 为什么选b,跟a和c有什么区别 I'm not sure if the game ______.If it _______ ,I'll let you know.A.puts off ; will put off B.is put off ; will be put off C.will put off ; puts off D.will be put off ; is put off 翻译包括选项并分析. 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 we'll ___it abd put the icing on the top of the cake(cool) ①We need to mome up with a plan to tell people about the city park clean up.②we cant put off making a plan.③we could put up signs.④l ll give them out after school.⑤We could each call up 10 students and ask them to come.翻译英语 ( )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