单词拼写。
根据下列各句句意和空白之后的汉语提示词，在横线上写出对应单词的正确形式，每空
只写一词。
1. Many college students think it ______ (值得) learning more than one foreign language.
2. Nowadays people use ______ (信封) less and less because they turn to other forms of
communication rather than write letters.
3. He risked his life to save the little girl who was ______ (挣扎) in the icy water.
4. He often ______ (后悔) wasting the precious time when he should have studied at school.
5. The athletes taking part in the Olympic Games are young and ______ (身体) fit.
6. Alice was scolded by the teacher because she left without being ______ (允许).
7. We asked the stranger the question out of ______(好奇).
8. This design is ______(稍微) different from that one.
9. The Chinese diet is considered to be one of the ______(最健康) in the world.
10. The fire broke out in a big neighborhood, making over three ______(百) people homeless.