III - Em hãy cho dạng đúng của từ trong ngoặc để hoàn thành các câu sau:

1. He is a ……………………………   person.      ( help)

2. My tooth is very ………………………….. now.                      ( pain)

3. Clean teeth are …………………………. teeth.                    ( health)

4. You should brush your teeth ………………………             ( regular)

5. We are ……………………………about the final exam.       ( worry)

6. She always washes and irons her clothes ………………………( careful)

7. I’m …………………………….of hearing the ghost stories.      ( scare)

8. The people here are very ……………………………...              ( friend)