Bài 3:

1.more generous

2.younger

3.more friendly

4.more relaxed

5.quieter

Bài 4:

1.I am the tallest people in my family

2.My friend bag is the most popular

3.My toys is more expensive than my friend's toy

4.My school subject is more difficult than other school's subject

5.I am shorter than my brother

6.My friend is kinder than him

8.His toys is moderner than mine

Bài 4 mik làm theo cột từ trái sang phải thì bạn theo thứ tự mà lm nha

Với cả bạn cho mik câu trl hay nhất đc ko năn nỉ đấy

Bài 3 :

2, more generous

3, younger

4, more friendly

6, more relaxed

7, quieter

Bài 4 :

1, - My easiest subject is PE.

    - The most difficult subject is Maths.

2, - My tallest people in my family is my father.

    - My shortest people in my family is my brother.

3, - The most popular friend is Nam.

    - My kindest friend is Ngoc.

4, - The most expensive toy is the car.

    - The most modern toy is the doll.

Bài 4 đề bài là viết về mk nên mk viết theo ý nghĩ của mk còn bn có thể thay vào những chỗ mk gạch chân bằng từ khác nhé !!!