1. I learn English by speaking it every day.
2. Mai learns English by reading comic books in her free time.
3. We learn English because we want to talk with our foreign friends.
4. Why does your father learn English?
5. My favourite subject is English.

1 cạnh của mặt đáy là:

20:4=5 cm

thể tích là:

5x5x5=125 cm³

A

D

A

A

REFER

Plastic bottles are typically used to store liquids such as water, soft drinks, motor oil, cooking oil, medicine, shampoo, milk, and ink. The size ranges from very small bottles to large carboys. Consumer blow molded containers often have integral handles or are shaped to facilitate grasping.