They are doing their homework?对doing their

They are doing their homework?对doing their the are doing their homework.对doing their homework提问 they are doing their _____(homework) in the classroom They are doing their homework carefully.you'd better not---- They are doing their homework.(变成否定句) They are doing their homework now.变成一般现在时和一般将来时 doing,they,school,homework,are,their,at 连成一句话 They have been doing their homework they don't doing their homework now. they-----[do/doing]their homework 选do还是选doing A and B are doing their homework. 对A and B提问 答案who is doing they are doing their homework now they must hand in them aft