Bài giải:

1. harder than this exercise.

2. is more expensive than the black car.

3. more boring than this film.

4. shorter than this river.

5. younger than miss Lan.

6. is bigger than my kitchen.

7. is smaller than her old house.

CHUK BN HOK THẬT GIỎI VÀ THI TỐT NHA :))

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1. That exercise is more difficult than this one.
2. The red car is more expensive than the black car.
3. That film is not as interesting as this film.
4. That river is not as long as this river.
5. Miss Nga is younger than Miss Lan.
6. Your kitchen is bigger than my kitchen.
7. Her new house is smaller than her old house.