Choose the correct answer to complete the following sentences.
1. Tipping is not a custom in Viet Nam, so you ___________ to tip.
A. mustn’t B. have not C. don’t have D. need
2. In the US, people tip 15 to 20 percent ________ the bill ________ the restaurants.
A. of/ in B. of/ at C. on/ in D. in/ at
3. You should break the bread _________ your fingers
A. by B. ø C. of D. with
4. You __________ wear a uniform ____________ Mondays and Fridays.
A. have to/ in B. have to/ on C. must/ in D. must/ on
5. There is a ____________ that we eat moon cakes at Mid Autumn festival.
A. tradition B. customs C. thing D. regulation
6. According to ___________, you shouldn’t sweep the floor _________ the first day of Tet.
A. customs/ in B. tradition/ on C. tradition/ in D. regulation/ on
7. While the teacher __________, Mai ___________ facebook on her smart phone.
A. was teaching / surfed B. was teaching / was surfing C. taught / surfed D. taught / was surfing
8. We went through a stone _______________ into the village.
A. archway B. tray C. green rice D. mat
9. In the UK, there are lots of customs ____________ table manners
A. of B. in C. for D. with
10. There is a British tradition of having afternoon tea _________4 p.m
A. on B. at C. in D. by