Rewrite the following sentence without changing its meaning. Use the given word(s) if any.

1. All the students in my class cleaned the floor more slowly than a robot. (QUICKLY)

→ A robot___________

2. Mrs. Smith wants to buy that smartphone. Its memory is not so large.

→ (HOWEVER)___________

3. A normal storm moves more slowly than a typhoon. (SPEED)

→ A typhoon___________

4. The old computer system doesn’t work as effectively as the new one.

→ The new computer system___________

`1.` A robot cleaned the floor more quickly than all the students in my class.

`-` slowly (adv): một cách chậm chạp `><` quickly (adv): một cách nhanh chóng

`-` So sánh hơn: Với trạng từ dài: S1 + V + more + adv + than + S2

`2.` That smartphone’s memory is not so large. However, Mrs. Smith wants to buy it.

`-` Clause 1 (S + V + O). However, Clause 2 (S + V + O): Tuy nhiên

`-` Tạm dịch: Bộ nhớ của chiếc điện thoại thông minh đó không lớn lắm. Tuy nhiên, bà Smith vẫn muốn mua nó.

`3.` A typhoon moves at higher speed than a normal storm.

`-` So sánh hơn: Với trạng từ ngắn: S1 + V + adv + -er + than + S2

`-` move at high speed: di chuyển với tốc độ cao

`4.` The new computer system works more effectively than the old one.

`-` So sánh bằng: Với trạng từ: `(-)` S1 + aux + not + V + so/as + adv + as + S2

`->` So sánh hơn: Với trạng từ ngắn/ dài: `(+)` S2 + V + adv + -er/more + adv + than + S1

`1.` A robot cleaned the floor more quickly than all the students in my class.

`-` S + V + more + adv + than +...

`2.` That smartphone’s memory is not so large. However, Mrs. Smith wants to buy it.

`-` S + V. However, S + V.

`-` However khi ở giữa câu thì sẽ sau dấu chấm và trước dấu phẩy.

`3.` A typhoon moves at higher speed than a normal storm.

`-` S + V + adv-er + than +...

`4.` The new computer system works more effectively than the old one.

 `-` S + V + more + adv + than +...