IX. Choose the correct word A, B, or C for each gap to complete the following passage.

We need calories or (1) _________ to do the things every day. For example, when we walk to school or (2) _________ a bike to school we spend a number (3) _________ and even when we sleep, we also use them. But how many calories should we (4) _________ a 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. Otherwise, we don't eat enough, we will be (10) _________ and weak.

1. A. food                                B. energy                                 C. drink

2. A. ride                                  B. come                                   C. drive

3. A. things                               B. food                                    C. calories

4. A. do                                    B. need                                    C. buy

5. A. for                                   B. with                                     C. in

6. A. health                              B. fit                                        C. active

7. A. in                                     B. of                                        C. from

8. A. with                                 B. in                                         C. on

9. A. exercises                          B. activities                              C. healthy

10. A. good                              B. tired                                     C. thirsty