1. Lan bought that dress at the supermarket
Where did Lan buy that dress?
2. They had an exam last week.
What did they have last week?
3. They spent two hours looking for your house
How many hours did they spend looking for your house?
4. They painted the room blue last year
When did they paint the room blue?
5. He studied English in 1990
When did he study English?
6. She left an umbrella on the bus
What did she leave on the bus?
7. My father took me to the museum yesterday
Where did your father take you yesterday?
8. I talked with my friends in the yard
Who did you talk with in the yard?
9. She watched TV in the room two hours ago
What did she do in the room two hours ago?
10. They came to my house by bike yesterday
How did they come to your house yesterday?