1. Does your father work .............. Hanoi?
2. What do you do ............. your free time?
3. Lan'll have a party ...................... Friday evening.
4. David is good .................... Math.
5. Are you interested .............. sports?.
6. There's a good film ....................... the moment.
7. Would you like to come .......... my house ............ lunch?
8. Thanks ........... your letter.