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1. Because it keeps our bodies and minds healthy.

2. It keeps us at a healthy weight by burning up extra calories.

3. Because they are stronger and they can do things better.

4. It depends on our age, sex, and our interests.

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a) it makes my heart stronger.

b) it makes my muscles stronger.

c) it keeps me at a healthy weight.

d) it makes me feel good.

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1. He has used five headings.

2. Exercise makes your heart happy, (paragraphs 2 and 3)

3. Exercise keeps you at a healthy weight, (paragraph 6)

4. Exercise makes you feel good, (paragraph 7) (

5. Because it helps us find specific information faster.

Page 7 –p 2

3 ....a word for needing oxygen

3....an activity that you do over and over

7....chemicals that creat a happy feeling

8....feel better about your self

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1. When you..support.your family, you try to help them (C)

2. When a man creats something,he makes something (B)

3. Being pround suggests that one has a high opinionof himself.(A)

4. Breathing means taking air into one's lungs and sending it out again.(D)

5. When you do something efficiently you do it well and with no waste of time, money, or energy.(B)

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1. It means during the time when / while.

2 They mean "because".

3. «Whether... on means that it doesn't matter which of the two possibilities is true, the result is the same.

Page 9 –p 1

1. As we had no food at home, we decided to go to the (C)

2. since we didn't need the car, we decided to sell it.(E)

3. As we walked along the street, we looked into the shops.(A)

4. When we arrived at the party, Mary was cutting the birthday cake.(B)

5. Since we had done a lot of exercise, we felt too tired.(D)

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1. You can still enjoy exercising whether you are young or old.

2. Mary joined the national basketball team when she was 21.

3. Some people change their eating habits as they get older.

4. Since /As the weather was fine, we went out for a walk.

5. He started regular exercise at a club since he was going to lose weight.

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1. As I felt really tired, I stayed at home and had a rest.

2. The little boy felt lonely since no one played with him.

3. You'll have to do this job whether you like it or not.

4. Ali heard the news on the radio as he was driving home.

5. My brother usually gets a headache when he watches TV for a long time.