5. Why doesn't Viet want to go to your house?
6. What day is it tomorrow?
7. How often do your uncle and you go to the tennis club?
8. Where will they fly next month?
9. When are you going to visit the Natural Museum?
10. Who should I invite to my birthday party?
11. Whose mortobike does Trung usually borrow?
12. How much homework do our children have to do evey day?
13. Where is the souvenir shop ?
14. How far is it from yer house to the supermarket ?
15. How long does it take Mr lan to walk to work ?
16. How do you go to HCM city?
20. Who will Trung mail his letter to ?