根据句意和所给首字母提示，完成句中所缺的单词。

根据句意及首字母或汉语提示完成句子。
1. Please don't w _____ water. Can't you see the sign "Save Water"?    
2. Many students think that teenagers should be a _____ to choose their own clothes.    
3. We will be the masters of the 21st c _____.    
4. I w _____ if you can give me a hand.
5. —Thank you very much for helping me with my homework.      
    —It's my p _____.
6. Lucy and Lily are twins，so they are s _____ in many ways.
7. The teacher had talked with the students w _____ homework hadn't been handed in.
8. I like m _____ who play different kinds of music.    
9. The man won a m _____ pound in the game.
10. Are you afraid of f _____ in an airplane?

根据句意和首字母提示完成单词。
1. I W_____ if he has arrived.
2. I went to the supermarket to buy some s_____ yesterday afternoon.
3. My mother took some money and walked to the m_____ just now.
4. That is q_____ a nice horse.
5. The farmers are busy getting r_____ for the harvest.

单词拼写，根据句子意思，填入一个正确的单词。

根据句意及所给提示，补全单词或用单词、固定短语、固定搭配的正确形式填空。
1. I w_____ if you can finish the work on time.
2. People in Korea are supposed ______ (bow) when they meet for the first time.
3. In the old days, the workers were made ______ (work) eleven hours a day.
4. I can't find ______ (适当的) words to describe her beauty.
5. I have ______ (借) his book for two weeks. I have to return it now.