1. His house is near his school.
=> His school isn't far from his house.
2. That motorbike belongs to Mr. Trung.
=> That is Mr.Hung's motorbike.
3. Lan is more intelligent than her sister.
=> Lan's sister isn't as intelligent as Lan.
4. What's the height of the Mouth Everest?
=> How high is the Mouth Everest?
5. We have a two-month summer vacation.
=> Our summer vacation lasts two months.
6. Vietnamese students have fewer vacations than American ones.
=> American students have more vacations than Vietnamese ones / students.
7. It takes me about two hours each day to do my homework.
=> I spends about two hours each day doing my homework.
GOOD LUCK!!!