queue,up,we,go,before,downstairs,we,must连词成句

queue,up,we,go,before,downstairs,we,must连词成句 Students may queue up before they go downstairs.(否定） Student there,to,walk,we,on,before,long ,get,have,we,go,a 连词成句 we,must,do,we 怎么连词成句 We must finish our work before we go home改为同义句 连词成句：must/home/we/go/o'clock/six/at/. student may aueue up before they go downstairs.(改为否定句) We had to queue for hours to get in. 此句中queue后为什么没有up 英语问题连词成句：(1)you ever by have traveled air before ?(2)we go f must we the there violets leave.连词成句 get,must,time,school,on,to,we连词成句 oceans we keep must the clean.怎么连词成句.