一、根据首字母补全单词,完成句子。
1. She p______ on a coat and went out.
2. The man h______ me on the head with a book.
3. They have p______ in learning English grammar.
4. Tom is i______ in playing computer games.
5. We know it's good to b______ fresh air.

【解析】：
这是一道英语填空题，需要根据句子的首字母和语境来补全单词。题目考查的是对英语单词的掌握以及根据语境填写适当单词的能力。我们需要先理解句子的意思，然后根据首字母和语境，推测出应该填入的单词。
1. 第一个空，根据“on a coat”可以推测是穿上外套，且以p开头，所以填写“put”。
2. 第二个空，根据“me on the head with a book”可以推测是用书打头，且以h开头，所以填写“hit”。
3. 第三个空，根据“in learning English grammar”可以推测在学习英语语法方面有问题，且以p开头，所以填写“problems”。
4. 第四个空，根据“in playing computer games”可以推测对玩电脑游戏感兴趣，且以i开头，所以填写“interested”。
5. 第五个空，根据“fresh air”可以推测是呼吸新鲜空气，且以b开头，在英语中通常用“breathe”表示呼吸，所以填写“breathe”。
【答案】：
1. put
2. hit
3. problems
4. interested
5. breathe

二、把下列句子改为同义句,每空一词。
1. To eat a balanced diet is very important.
______ very important ______ eat a balanced diet.
2. They are watching TV at home now.
They are watching TV at home ______ ______ ______.
3. What's wrong with your sister?
What's ______ ______ with your sister?
4. She has a sore throat.
There is something ______ ______ her throat.
5. There is a lot of milk in the bottle.
There is ______ ______ milk in the bottle.

1. It's; to 2. at the moment 3. the matter 4. wrong with 5. lots of

三、完形填空。
What should we do to keep healthy? One important rule is to exercise ______1. The Fang family try to exercise every day. Mr. Fang ______2 exercise in the morning because he must get to work at exactly seven o'clock. But he runs every evening. He walks a lot, ______3. He walks to school every day, and after school he ______4 different sports with his friends. Mr. Fang goes to a yoga(瑜伽)class ______5.
But it wasn't ______6 this way. Last year Mr. and Mrs. Fang used to(过去常常) ______7 everywhere in their car, even to the drugstore(药店)two blocks(街区)away. They thought they had to use the car all the time. They wouldn't walk.
The Fangs all ______8 better now. They believe they shouldn't be lazy. We ______9 exercise every day, but we should try our ______10 to exercise as often as possible.
( )1. A. often B. sometimes C. late D. later
( )2. A. may not B. cannot C. would not D. should not
( )3. A. either B. also C. too D. again
( )4. A. watches B. plays C. loves D. likes
( )5. A. in two weeks B. for two weeks C. after two weeks D. twice a week
( )6. A. always B. even C. sometimes D. no
( )7. A. riding B. drive C. fly D. walk
( )8. A. had B. make C. feel D. feel like
( )9. A. needn't B. don't C. won't have D. mustn't
( )10. A. best B. good C. well D. better

1—5 ABCBD 6—10 ABCAA