I

1. We have to test these products.

+ These products

2. People don't use this dictionary very often. → This dictionary ....

3. Someone gave Mary this hat an hour ago. → Mary ....

 4. They told me that our teacher was sick. I.....

5. We must finish our project on time.

Our project

 6. People can find a cure for cancer in the future. →

 7. They ought to knock down the old building →

8. Alexander Bell invented the telephone→

9. Shakespeare wrote that play.

 10. They speak French in France.

11. You must do this exercise carefully.

12. Her mother doesn't cook a meal in the kitchen. →

 13. Does Nam visit the school the library everyday? →

14. No one answer the question yesterday. →

15.Did they decorate the living room?

II. Fill in the blank with a suitable word in the box.

fit , ride, spend, for , from, tired , exercise , energy , calorie

We need calories or (1) _to do the things every day. For example, when we walk or (2)_ _a bike to school, we spend a certain amount of (3)_ _and even when we sleep, we also use them. But how many calories should we (4)_ day to stay in shape? It's difficult (5) us to calculate. If people want to keep 6).

_,they should remember that everyone should have between 1600 and 2500 calories a day.

We get calories (7)_the food we eat. If we get too much food and don't take part (8)_ _any activities, we can get fat quickly. So besides studying, we should do some (9)

_play sports or do the housework, such as cleaning the floor, cooking etc., if we don't eat enough, we feel (10)_ _and weak.

III. Read the following passage and write T (true) or F (false) for each statement.

How many calories can you burn in one hour? Well, it all depends on the activity. You use calories all the time, even when you are resting. Reading, sleeping, sitting and sunbathing all use about 60 calories an hour. Very light activities use 75 calories. Examples are eating, writing, knitting, shaving, driving and washing up. Light activities which use about 100 calories an hour include playing the piano, getting dressed and having a shower. Under moderate activities which use between 100 and 200 calories an hour we can put walking, doing housework, shopping and skating. Energetic activities use 200-400 calories. Those activities include horse riding, cycling, swimming, skipping and dancing. Finally there are strenuous activities which use up to 600 calories an hour. These activities include climbing stairs, jogging, digging the garden and playing football.

1. Horse riding uses the most amount of calories. 

2. Reading uses as many calories as writing. 

3. The calories we burn for eating and washing up are the same.

 4. Walking is a very light activity. 

5. Sunbathing uses more calories than driving. 

6. When we are resting, we don't burn calories. 

7. Having a shower uses only 100 calories an hour. 

8. Cycling and dancing use the same amount of calories 

9. Playing football uses fewer calories than swimming

10. The amount of calories we use an hour depends on the activity we do. IV. Complete the conversation with the phrases in the box. Then answer the questions.