根据句意及首字母或汉语提示完成句子。
1. You will fail in the Chinese exam u _____ you study  hard.    
2. Everyone can make mistakes. Don't l _____ at him.    
3. Look!  It says "No P _____ " on the sign.  You'd better drive your car away.
4. The air in the morning is very f _____.    
5. He d _____ himself as a clown at the costume party.    
6. Tell the t _____, or I won't believe you.    
7. We should try our best to protect e _____ animals.    
8. Some of the rivers have become p _____.They are dirty now.
9. The boy looked w _____ because he couldn't find his keys.
10. Our teachers asked us to do our homework as c _____ as we can.

根据句意及汉语提示完成句子。
1. Reading Harry Potter has become very popular _____ (在……之中) many students.    
2. —How long may I _____ (借) the book?        
    —For a week.  
3. Which is _____  (安全), traveling by train or by plane?    
4. On my _____  (二十) birthday,I received lots of presents from my friends.    
5. Computer is one of the greatest _____ (发明). I can't imagine life without it.    
6. Can you_____  (买得起) to buy the house? It's quite expensive.    
7. I was too busy and _____  (错过) the film“Transormers 2".    
8. They are different. They do things _____  (不同),  too.    
9. Parents should not be too _____ (严厉的) with their children.    
10. She wants to _____ (成为)  a singer when she grows up.

根据句意及首字母提示完成单词。

根据汉语、首字母及句子意思补全单词。

根据句意及首字母提示完成句子下列句子。  

根据句意及首字母或汉语提示，将单词的正确形式写在相应的横线上。
1. I'm very h _____, I want something to eat.
2. What l _____ do he and his friend speak?
3. We can read books in the _____  .
4. _____ to the park.
5. Please clean the room. It's very d _____. (脏的)