1. Tipping is not a custom in Viet Nam, so you don't have to tip if you don't want to

2. In Brazil, the Standard tip in restaurants is 10 percent
3. The xoe dance was performed by the boys and girls in the hamlets

4. We have to take our shoes when we go inside a pagoda

5. Nowadays teenagers rely on technology more than in the past

6. Life in the countryside has changed a lot over the past ten years

7. Were you sleeping when I phoned you last night?

8. What was Jack doing when you were cooking for dinner?

9. We were having dinner when Tim arrived

10. Sid was not cleaning his room at 8p.m last night

1. Tipping is not a custom in Viet Nam, so you don't have to tip if you don't want to

2. In Brazil, the Standard tip in restaurants is 10 percent
3. The xoe dance was performed by the boys and girls in the hamlets

4. We have to take our shoes when we go inside a pagoda

5. Nowadays teenagers rely on technology more than in the past

6. Life in the countryside has changed a lot over the past ten years

7. Were you sleeping when I phoned you last night?

8. What was Jack doing when you were cooking for dinner?

9. We were having dinner when Tim arrived

10. Sid was not cleaning his room at 8p.m last night