I. Điền giới từ thích hợp vào chỗ trống.
1. Liz went .................... Nha Trang ..................... summer vacation.
2. What did you think .......................... Nha Trang?
3. Nam talked ..................... his friends .................... his recent vacation.
4. They returned ........................... Ha Noi last week.
5. She made a blue dress ..................... her daughter.
6. Her dress is green with white flowers ..................... it.
7. After the holiday they returned to Ha Noi .................... plane.
8. They arrived ......................... Ha Noi ................... 4pm