Ex1: 1. B
2. A
Ex2: 1. A
2. B
Ex3: 1. C 5. A
2. A 6. B
3. D 7. A
4. B 8. C
Ex5:
1. It's about 8km from the town centre to my house.
2. We used to go to the countryside in the summer.
3. Despite coming late, he didn't say sorry to everyone.
B. 1. Why did Lyna save a lot of money?
2. How often we celebrate Tet?