to be/go/put sb.on a diet这些搭配都是节食的意思么是不是去掉to和sb也可以讲得通?就是be/on/put a diet?

to be/go/put sb.on a diet这些搭配都是节食的意思么是不是去掉to和sb也可以讲得通?就是be/on/put a diet? put sb on sth (to go to sb on business be on to sb 造句 be on to sb是什么意思 go on a conversation on with sb go to sb on foot造句walk to sb造句 put sb on notice put in a call to sb she likes to ( ) a white uniform to go to work A:wearB:put on she likes to ( ) a white uniform to go to work A:wearB:put on put sb.through to put sb to put sb to put sb throgh to put sb to The country put a heavy emphasis on education ,with girls ( ) to go to school.A. to be encouraged B.been encouragedC.being encouragedD.be encouraged选什么啊? 为甚么要选C不选D? Mrs.Browers told her children to__their toys__and go to bed.a.put down b.put on c.put awayd.put off