đáp án :
1. The Me kong River is longer than the Red River

=> The Red River is shorter than the Me kong River

Cấu trúc so sánh hơn :

S + be +ADJ-er + than + O/N

2. The Nile is the longest river in the world

=>No river in the world is longer than the Nile river

Cấu trúc so sánh nhất :

S + V + the + short-adj/adv + est + noun

3. We live near the school, but they don't

=>They live far from the school, but we don't

4. Nga likes table tennis the most

=> Nga's favorite sport is table tennis

5. Tuan can run very fast

=> Tuan is a fast runner

* Cấu trúc so sánh hơn :

S + be + adj-er/ more adj + than S2

* Cấu trúc so sánh nhất :

S + be +the adj-est/ most adj +....

`1.` The Red River is shorter than the Me kong River

`2.` No river in the world is longer than the Nile river

`3.` They live far from the school, but we don't

- Clause 1+ but + Clause 2

`4.` Nga's favorite sport is a table tennis

- like `=` favorite 

- S + like/ favourite + something 

`5.`  Tuan is a fast runner

- S + be + a + adj + Noun