Question

 Why are we always tired,do you know? Firstly,if we can't sleep w 1       ,we will be tired. But we are often too busy. We can't finish our work in the day and we m 2       do it at night. We go to bed 1 3       and get up early. So we c 4       sleep well. Most people n 5       eight hours and some more. If we sleep for. only five or six hours a night,we m 6       be tired.

  Secondly,when we are ill,we will be t 7       ,too. But we don't know we are ill. So if you are always tired,maybe you are not so h 8      You'd better go to see a doctor.

  Thirdly,maybe you can't eat some kinds of food like eggs,nuts,meat or chocolate. If you are ill and tired after eating some food,please d 9       eat it again to see if you are well.

  At last,if the a 10       around you isn't nice and clean,you will feel tired. So please open your window often or go out for a walk and you will feel better.

1.         2.        3.        4.       5.         

6.        7.        8.        9.         10.       

Answer 1

1. well   2. must   3. late   4. can't 5. need

6. may/might   7. tired   8. healthy   9. don't 10. air