根据句意,用适当的情态动词填空
1.-is Mr Wu in the libray?
-no,he____be there.he is waiting for me at the school gate.
2.my mother is ill.i am afraid i ____stay at home.
3.____you tell me the way to the zoo?
4.Peter ____come with us tonight,but he is not sure yet.
5.do you have ti stop eating chocolate?
no,i do not,but i won not eat too much.
6.he ____return the book now.he can keep it until next week.