`Answer:`

`1.` That exercise is more difficult than this one.

`2.` The red car is more expensive than the black car.

`3.` That film is more boring than this one.

`4.` This river is shorter than this one.

`5.` Miss Nga is younger than Miss Lan.

`6.` Yours kitchen is more bigger than mine.

`7.` Her new one is smaller than her old one.

`8.` The white dress is cheaper than the black one.

`9.` According to me, Maths is more difficult than English.

`10.` That computer works worse than this one.

`->` Cấu trúc câu so sánh hơn:

`-` tính từ dài: S1 + tobe + more + adj-long + than + S2

`-` tính từ ngắn: S1 + tobe + adj-short + er + than + S2

$#Myne$
1. That exercise is more difficuly than this one
2. The red car is more expensive than he black car 
3. That film is more bored than this one.
4. That river is shorter than this one.
5. Miss Ngais younger than Miss Lan  .
6. Your kitchen is bigger than mine.
7. Her new house is smaller than her old one.
8. The white dress is cheapper than the black one.
9. According to me, Maths is more difficuly than English
10. That computer works worse than this one. 
Công thức : 
Tính từ ngắn: $S_{1}$ + $V$ + $adj$ $/$ $adv$ + $er$ + $than$ + $S_{2}$ ....
Tính từ dài:$S_{1}$ + $V$ + $more$ + $adj$ $/$ $adv$ + $than$ + $S_{2}$ ....