1.I love collecting toy cars.

→ My hobby is collecting toy cars.
2. I like arranging flowers . 

→ My hobby is arranging flowers . 
3. I am interested in watching TV in the evening

→ I enjoy watching TV in the evening.
4. It’s a good idea to go out with my friends on sunday.

→ We should go out with my friends on Sunday.
5. Because it rains heavily, I can not go to school. (so)

-> It rains heavily, so I can not go to school.

P/s: no spam, xin câu trả lời hay nhất ah^^

1, My hobby is collecting toy cars.

=> Thích 1 hoạt động nào đó = sở thích ...

2, My hobby is arranging flowers.

3, interested in = enjoy

=> I enjoy watching TV in the evening.

4, We should go out with friends on Sunday

It is a good idea + to - V = S + should+V

4, It rains heavily so I can not go to school.

Because <-> so