--"we must start for the work now." ---so must we" 为什么这里的回答用

--"we must start for the work now." ---so must we" 为什么这里的回答用 We must (need) ___helpers for so much work. 二．用所给动词的正确形式填空.1．Must we ________ the work at once?(start) Must we clean the ciassroom now否定回答 把Must we clean the classroom now?改成否定回答 Must we go to the park now?做否定回答 Must we leave now 否定回答 We must ( )(work)hard. must we ____(start)the work at once ?求详细讲解 讲方法 We must start to do the work right now____we don't have enou 句型转换 两部分1.We must finish the work now.____ you ___ the work we must start tomorrow morning.