1.What time does your class start?
2.How long does it take you to do your homework?
3.How do the farmers work?
4.How long does the summer vacation last?
5.What will you do during the vacation?
6.How many hours a week do Vietnamese students work?
7.Why is she definitely not lazy?
8.Where does Hong's mother work?
9.How many public holidays every year does your father get?
10.How often do they go to Ha Long Bay on vacation?