1. Linh enjoys collecting stamps of different countries in the world.

2. Ha is interested in going on a picnic with her best friends at weekends.

3. I am keen on playing badminton every morning.

4. My brother and I are really interested in watching horror films.

5. My cousin is crazy about Manchester United football team.

`VI.`

`1.` Linh enjoys collecting stamps of different countries in the word. 

- like = enjoy + Gerung (V-ing)

`2.` He is interested in going on a picnic with her friends at weekends.

- like = be interested in + Gerund (V-ing)

`3.` I am keen on playing badminton every morning.

- be keen on + Gerund (V-ing)

`4.` My brother and I are fond of watching horror films.

- be interested in = be fond of + Gerund (V-ing)

`5.` My cousin is crazy about Manchester United football team.

- be crazy about sth/sb: quan tâm hay thích điều gì/ai đó rất nhiều