1. She has used the laptop _____ three hours _____ 9 o’clock.
2. How many times have you read the book _____ you bought it?
3. Thao hasn’t eaten meat _____ Thursday.
4. We’ve known each other ______ ages.
5. My friend has owned the fashion shop________5 year.
6. It’s three years ____ Quan started learning English.
7. Lan and Qung have been married ______________a year.
8. India has been independent ____ 1947.
9. He has driven a car ______ his birthday.
10. I have learnt English _______________ I was 6.