1.No,they can't
2.he doesn't have to study
3.what do you have to do?
4.what is she doing now?
5.I have much homework today
或I'm busy today
1.No,they can't
2.he doesn't have to study
3.what do you have to do?
4.what is she doing now?
5.I have much homework today
或I'm busy today