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 _______________________________________________________________