1.
2. There is a park near my house
3. She would likes to buy some Posteards 
4. Minh will send these letters to friends
5. I would like some orange juice
6. Mr.Hai has fewer days off than Mr. Hung
7.r Nam and Ba need each other
8. How much will Chi change receive 
9. Don't work too much
10. She learns harder than me
11. Did you does the paint yesterday
12. How much is this red cost
13. Those stamp cost 5000 dong
14.boys/The/at/were/home/yesterday The boys were at home yesterday
15. Why does Lan go to the dentist
16 My sister enjoys at reading night
17. My mother bought a nice second bag for me
18. What clever does your sister have
19. She didn't come home yesterday
20. I was a member of this club in 2005