Many people nowsadays have to ……………………..(1) false teeth when they are ………………….(2). The reason is that tooth ……………………(3) increases a lot. The amount of  ………………(4) in our food also increases. Doctors and dentists now know that sugar is the chief ……………(5) of tooth decay. Eskimos’ ……………..(6), for example, started to decay when they began to …………….(7) sweeeter food.

            Long ago doctors did not like to ……………..(8) people’s teeth. Barbers and blacksmiths looked after people’s teeth and ………………..(9) them out when they decayed. Some people ……………..(10) toothache was a punishment from the gods.

III. Fill in each blank with the correct form of the word given in capital:

1. I took the medicine, and the headache ……………                                     APPEAR

2. It’s so ………….today! It’s too wet and cold. I hate this kind of weather. PLEASANT

3. ………..in the fresh air! You will feel much ………………                 BREATH, GOOD

4. Our students are going to have a …………………..check-up next Monday. MEDICINE

5. The nurse needs to know Hoa’s ……………………………………………. HIGH

6. Mr. Lan didn’t go to work yesterday because of his ………………………   SICK

7. One of the symptoms of the common cold is a …………………..nose.        RUN

8. People say that: “…………………is better than cure”.                                    PREVENT

9. Don’t worry, this kind of cancer is …………….                                              CURE

10. I have ....................time to play than my friends                                              LITTLE

V. Tìm từ thích hợp điền vào mỗi chỗ trống để hoàn thành đoạn văn sau.

Dr Lai is a dentist. She (1) ____ after people’s teeth. Dr Lai’s (2) ____ is clean and tidy, and so is her uniform. Most children are (3) ____ when they come to see Dr Lai, but she is a (4) ____ woman. She (5) ____ what will happen so they are (6) ____ afraid. Dr Lai often gives (7) ____ advice. She tells them (8) ____ to look after their teeth. She reminds them to (9) ____ their teeth regularly and (10) ____ sensibly.

1. We have a two-month summer vacation.

→ Our summer vacation lasts ………………………………………..

2. Will you look after the house while we are away?

→ Will you please take ………………………………………………..?

3. It takes me about two hours each day to do my homework.

→ I spend ………………………………………………………………

4. Hoa is a hard student.

→ Hoa studies ………………………………………………………….

5. It isn’t important for you to finish the work today.

→ You don’t …………………………………………………………

6. You should wear these gloves.

→ You’d …………………………………………………………..

7. My hat has a picture of a dolphin on it.      

→ There…………………….…………………………………………………………………

8. Trung didn’t go to school last Tuesday.

 → Trung was ……………………………………………………..

9. Why isn’t this TV working now?

 → What’s ……………………………………………………..

10. Listening to music is more interesting than watching TV.

 I prefer........................................................................

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