题目内容：

Do you have a discount on the cards ( 同义句)
Does he do his homework at home (加上now改写

优质解答

Do you have the cards on sale?
Is he doing his homework at home now?

追问：

Do you have a discount on the cards ？( 同义句) （ ） （ ）a discount on the cards

追答：

Is there