1. He used to b______ badly in class.
2. John has a______(问题)and I can't help them.
3. I am h______ than I should be.
4. She always feel s______ and tired. She should go to see a doctor.
5. When he was young,he got t______ a hard time living in the countryside.

1. We are all _____(自豪) of our motherland. It's great.
2. The boy shows great interest in _____(自然) science.
3. Welcome to our city _____(无论何时) you come!
4. No country can afford to neglect the _____ (教育) of its young people.
5. I think that _____ (二十一) century will bring us more hope.
6. He made a big d_____. He'll travel around the world all by himself.
7. Many people have known the i_____ of protecting the environment now.
8. My mother is very s_____  with me in my study. She never allows me to miss
lessons.
9. A_____ he had only entered the contest for fun, he won the first prize.
10. —What's the matter with you?
      —I have a toothache.
      —I think you should go to see the d_____ fight away.

1. I have a toothache, I have to see a d______.
2. —What's the matter with you?
    —I have a s______ throat.
3. It's important for us to have a healthy lifestyle, to eat a b______ diet.
4. My English isn't good enough, so I must try my best to i______ it.
5. When you have a headache, please lie down and r______.
6. She is tired, she should go to bed early, she s______ go to the party.
7. Would you please get me some water? I'm a little t______.
8. I didn't go to school u______ I was seven years old.
9. A good l______ is good for our health.
10. My grandpa had a cold yesterday, I h   _  __ he is better now.