X. Finish each of the following sentences which keep the same meanings. (1.0 point)
1. This car is cheaper than that one.
→ That car is ______________________________________________________________________
2. The air in the countryside is often cleaner than that in the city. (polluted)
→ The air in the city is often __________________________________________________________
3. Giang is the best at English in her class.
→ Nobody in Giang’s class ___________________________________________________________
4. How many times a week do you go to the English Club?
→ How often______________________________________________________________________?
5. My brother usually goes to school on foot.
→ My brother usually _______________________________________________________________