mn giúp mik vs ạ
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28. You can find out the meaning of new words in a dictionary. (LOOK)
→ You can **look** up new words in a dictionary.

29. When I was young, I would sketch the countryside with my sister. (USED)
→ When I **used** to sketch the countryside with my sister.

30. It is very important for you to practice English every day if you want to be good at it. (ESSENTIAL)
→ If you want **to be good at English, it is essential** for you to practice every day.

31. Tania is getting really good at English because of all the English songs she listens to in her free time. (SINCE)
→ Tania is getting really good at English **since** she listens to all the English songs in her free time.