When is he going to play the piano?这个句子里面PLAY是实义动词为什么IS那里不是用DOES?

when is he going to marry对吗? where is she going when is he going to do?where is she going when is he going to do? when he grows up,he is going to do what. When is Amy going to have he party? When is he going to have a picnic?那个错了when going to is 那个错了 He says he is going to be a scientist when he up .填什么? he is going to come now改变成含有when的特殊疑问句怎么改?when. what is he going to do when he（）（grow）up填什么急急! HE IS GOING TO BE A TEACHER WHEN HE WILL GROW UP改错 when he grous up ,he is going to be an engineer什么意思 He is going to be a computer programmer when he ___college时态、? easy!what is he going to be when he ____(grow) up? He is going to tell you when the film is on这句话对吗 Wang Gang is going to be a basketball player when he grows up对when he grows up提问 Where is he going?还是where is he going to? What is your borther going to be when he grows up?70字英语作文 I will call you when he ______back.A.comesB.will comeC.is going to beD.come When is he going to play the piano?为什么加ING