Giúp mình bài trêb với ạ

`1.A`

`=>` A hobby is an activity people love doing in their free time.

`2.C`

`=>` One of the easiest hobbies is collecting things such as stamps, letters, stones, photos, clothes, CDs, and so on.

`3.A`

`=>` Some indoor activities such as reading, playing a musical instrument, and learning aren't as popular as they were in the 20th century.

`4.B`

`=>` Gardening, walking, horse riding, cycling, skateboarding, mountain climbing are outdoor hobbies.

`5.B`

`=>` There are other types of hobbies as well: visiting museums or travelling.These hobbies are quite expensive, so just a few people can do them.

1 A 

- Dẫn chứng: A hobby is an activity people love doing in their free time.

2 C 

- Dẫn chứng: One of the easiest hobbies is collecting things such as stamps, letters, stones, photos, clothes, CDs, and so on.

3 A 

- Dẫn chứng: Some indoor activities such as reading, playing a musical instrument, and learning aren't as popular as they were in 20th century.

4 B 

- Dẫn chứng:  Gardening, walking, horse riding, cycling, skateboarding, mountain climbing are outdoor hobbies.

5 B 

- Dẫn chứng: There are other types of hobbies as well: visiting museums or travelling. These hobbies are quite expensive, so just a few people can do them.