*Bạn tham khảo nhé!!!!

1: (-): I didn't go to Vung Tau last summer vacation

(?): Did you go to Vung Tau last summer vacation?

2: (-): She didn't have a lot of friends in Nha Trang

(?): Did she have a lot of friends in Nha TRang?

3: (-): His uncle didn't take him to see Cham Temples

(?): Did his uncle take him to see Cham Temples?

4: (-): Liz didn't buy lots of souvenirs

(?): Did Liz buy lots of souvenirs?

5: (-): I wasn't very tired after the trip

(?): Were you very tired after the trip?

6: (-): I didn't eat crabs and fish for lunch

(?): Did you eat crabs and fish for lunch?

7: (-): Liz didn't teach Ba some English

(?): Did Liz teach Ba some English?

8: (-): It wasn't very cold yesterday

(?): Was it very cold yesterday?

9: (-): There weren't many beautiful posters on the wall

(?): Were there many beautiful posters on the wall?

10: (-): Ba couldn't swim when he was a student

(?): Could Ba swim when he was a student?

1: (-): I didn't go to Vung Tau last summer vacation.

(?): Did you go to Vung Tau last summer vacation?

2: (-): She didn't have a lot of friends in Nha Trang.

(?): Did she have a lot of friends in Nha TRang?

3: (-): His uncle didn't him to see Cham Temples.

(?): Did his uncle take him to see Cham Temples?

4: (-): Liz didn't buy lots of souvenirs.

(?): Did Liz buy lots of souvenirs?

5: (-): I wasn't very tired after the trip.

(?): Were you very tired after the trip?

6: (-): I didn't eat crabs and fish for lunch.

(?): Did you eat crabs and fish for lunch?

7: (-): Liz didn't teach Ba some English.

(?): Did Liz teach Ba some English?

8: (-): It wasn't very cold yesterday.

(?): Was it very cold yesterday?

9: (-): There weren't many beautiful posters on the wall.

(?): Were there many beautiful posters on the wall?

10: (-): Ba couldn't swim when he was a student.

(?): Could Ba swim when he was a student?