When we harried to the station,there happened to be no bus at that time.中的to be 为什么不能用to have

When we harried to the station,there happened to be no bus at that time.中的to be 为什么不能用to have he Harried to the airport的同义句 we can't decide when we should go to work.同意句we can't decide____ ____ go to work. 同义句转换 We can't decide when we should go to walk.We can't decide () () go to school. We don`t know when we shall start .(改为to do 的结构） We don`t know when ____ _____.说出语法！to start when the teacher speaks ,we have to keep quiet____a won't web don't wec have wed haven't we when we see a film,we can't smoke to each How often in life do we compare ourselves to others and feel disappointed when we really____ A.shouldn't B.mustn't C.can't D.wouldn't How often in life do we compare ourselves to others and feel disappointed when we really____ A.shouldn't B.mustn't C.can't D.wouldn't You didn't use to like him much when we were at school ,did you We cant talk__each other when teacher is speaking.A of B for C to I haven't decided when we went to the Happy Valley这个句子哪里错了? we,coming,our school,didn't,he,know,when,was,to,visit 连词成句 we mustn't talk to a driver when he ___(drive) We mustn't talk to a driver when he ___(drive) when we heard the sad news,we coundn't help ( ).A.to cry B.cried C.cry D.crying When we can't change or r____ something,we should learn to accept(接受) it and treat it well.填空 when we see a film,we can't speak to each other.帮忙想下是什么意思吧,求求,很急!