将下面三句话分别变成一般疑问句（并做肯定回答）和否定句 1、They have to go to the party.
问题描述：
将下面三句话分别变成一般疑问句（并做肯定回答）和否定句 1、They have to go to the party.
2、He has to go to see the doctor .
3、She had to have a piano lesson yesterday.
急 快点啊
答
1do they have to go to the party?.yes,they do .no .they don't2does he have to go to see the doctor?yes,he does .no .he doesn't3 does she have to have a piano lesson yesterday yes she does .no she does...