18. Hoa has walk in the rain many times. She loves it.
19. The first peson visiting your house at Tet: first footer.
20. Water, especially from a river or steam dropping from agreat height: waterfall.
21. An area, often covered with sand or rocks, where there's very little rain and not many plants: desert.
III.
1. At
2. Of
3. As
4. In
5. Of
6. Into
7. Of
8. Of
9. For
10. For
