We ___________ for a long time. Shall we play for a while?
I don’t know if she ____________ if it _____________ tomorrow.
How much difficulty did you have ________________ this problem?
Nanjing is _______ capital of Jiangsu and it is _______ city with many places of interest.
---Would you like another piece of bread? ---_________ I’m full
Amy ________ drinks Coke because she dislikes it.