IX.

1. Mai is more intelligent than Kien.

2. Life in the city is more exciting than life in the countryside.

3. Ho Chi Minh City is bigger than Hanoi Capital.

4. Mount Everest is the highest mountain in the world.

5. Mekong River is the longest river in Viet Nam.

6. Lan is the best at English in my class.

X. (chuyển các câu sang dạng phủ định và nghi vấn)

1. They don't listen to English every day.

Do they listen to English every day?

2. He doesn't play football every afternoon.

Does he play football every afternoon?

3. We don't have to wear uniform at school.

Do we have to wear uniform at school?

4. I won't get lucky money from my grandparents on Tet holiday.

Will you get lucky money from your grandparents on Tet holiday?

5. There isn't a sofa on the floor.

Is there a sofa on the floor?

XI. (chuyển câu sang dạng số nhiều của chủ ngữ và động từ)

1. These houses are old.

2. There are some cats in the bedroom.

3. These are bookshelves.

4. Those are rubbers.

5. Are those your textbooks?