1. Where did Lan bought that dress ?
2. When did they have an exam ?
3. How many times did thay spend for your house ?
4. Which color did they paint the room ?
5. When did he study English ?
6. What did she leave on the bus ?
7. Who took you to the museum yesterday ?
8. Who did you talk to in the yard ?
9. What did she do in the room 2 hours ago ?
10. How did they come to your house yesterday ?