Giải giúp e với ạ please vote đầy đủ luôn nhé

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4. If you are not careless, you'll not break the vase.
5. If he buys recycled products, he can do a part to save the environment.
6. If we put garbage into the bín, we will minimize pollution.
7. Unless flowers are watered enough, they won't bloom.
8. Unless you succeed, you will have to try it again.
9. She is a careful typist.
10. She is a good English teacher.
11. He doesn't speak English well.
12. She dances ballet excellently.

13. They are skillful soccer players.
14. She is too old to work hard.
15. Because of the boring story, I am sleeping now.
16. Because of the rain, I can't go out.
17. I was punished by the teacher because I forgot to do the exercises.
18. The weather was cold, so they had to cancel their picnic.

19. Because of being given a bike, Laura was very happy.
20. Because the silk dress cost too much, we didn't buy it.
21. Because of studying hard, they passed their TOEFL exam.