we must go at once 后面加什么可以变成反义疑问句啊

Must we go to see a doctor at once when we have the flu?Yes,we must.是什么 we must go at once 后面加什么可以变成反义疑问句啊 Must we 【start】 the work at once I told him that we must go at once.是定语从句还是宾语从句?说下理由. I must go home at once.怎么改成否定句? He suggests we_to the cinema at once,otherwise we will be late A.must go B.go C.will goD.would go请说明理由 we must _(派；寄)for the doctor at once we started to go b（） at once Let‘s go at once,()we'll be late. You must tell him to go out at once.句型转换,毎空一词You must tell him to go out ( )( ) we made up our mind to go back home at once改为同义句we _______ _______ ________home at once You must go to _________ (apology) to the gentleman at once. Must I go to see a docter at once when I feel cold? 英语同义句转换：We made up our minds to go back home at once We______ _______ _______home at once 改被动语态.1.we must take Peter to hospotal at once. mother is seriously ill .we must （）a doctor at once . we must take peter to hospital at once怎么改成被动语态 must we ____(start)the work at once ?求详细讲解 讲方法