1. She teaches English well
good(adj)-> well(adv)
2. My father drives carefully
3. My friend play football skillfully
4. He is a careful driver
5. she is a fluent English speaker
speak(v)-> speaker(n)
6. Mai is a good student
study(v)-> student(n)
7. My sister is a good cook
cook(v,n)
8. Mai studies hard
hard(adj,adv)
9. My Tam sing beautifully
10. these programs are useful
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