Here are possible answers to fill in the blanks based on the context provided:

**X. Complete the sentences with the words in the box.**
1. I really love **swimming** in the park with my friends.
2. I like **basketball**. I play against my dad. I also play against other people on the Internet.
3. I really like **music** - especially in the sea.
4. I'm interested in **films**. My favourite band is T-ara from Korea.
5. I love **books**. I go to the cinema every weekend.
6. I really like **skating**. I don't play it, but I watch matches on TV.
7. My hobby is **photography**. I have a new camera.
8. I've just joined the local tennis **club**.
9. We could hear the lions roaring at the end of the **zoo**.
10. I love **music**. My favourite writer is To Hoai.

**XI. Complete the sentences with the words from the box.**
1. She usually goes **swimming** with her friends in the pool near her school.
2. Sarah likes **gardening**. She plants lots of flowers and vegetables in her home garden.
3. Every weekend, I go **fishing** in my uncle's boat, or just off the shoreline.
4. In later years, he took up **painting** as a hobby. He drew watercolor landscapes.
5. My hobby is listening to **music**. It can help relax my mind.
6. I have recently started a new hobby - collecting **model cars** and posting them on their social networking accounts.
7. Most people take up **fishing** which is a great hobby that can make you happier.
8. **Carving** is a great hobby that can make you happier.

**XII. Give the correct form of the words in brackets.**
1. Science books are very **useful** for our study of the world. (use)
2. Ba is a famous stamp **collector**. (collect)
3. The most popular after-school **activities** in Vietnam are football and badminton. (act)
4. The city library has over 60 **employees**. (employ)
5. The team has many talented **players**. (play)
6. We sat on the beach and watched a spectacular sunset. (watch)
7. English is an important subject. (interest)
8. They learn to play a musical **instrument**. (music)

**XIII. Put the verbs in brackets in the correct form of present simple tense.**
1. Peter **studies** very hard. He never gets high scores. (not study)
2. I like oranges and she **likes** apples. (like)