Must they dust the room肯定回答
Must they dust the room肯定回答
they must dust the room
must they dust the room?的否定回答是什么?
they must dust the room变成一般疑问句
------Must I clean the room? 的肯定回答
I must help Tom clean the room.改为一般疑问句,并作肯定回答
Did they clean the room?怎么回答?
They must be in the reading-room,_______ _______[
ls there a cat in the room 肯定回答
Is she in the Living room?作肯定回答
隔壁房间里肯定还有别的人.There must be___ ___in the next room.
Have they cleaned the classroom?(作肯定回答)