1. They decided to get married last Sunday
2. We are learning in the library at the moment
3. I didn’t write or call to my roommates three months ago
4. When her children play chess in the sitting room, she will go out (When + HTĐ, TLĐ)
5. Marria didn’t finish her composition last weekend
6. How many hours a week does he often work?
7. American students do not usually wear school uniforms
8. We lived in HoChiMinh city when I was a child
9. Huong will be twelve on Saturday, November 20th
10. It's twelve o’clock and we’re going to the lunch room