在下列各句的空格内填上一个适当的完整的单词，该词的首字母已给出。 1. He h
题型：填空题
问题：
在下列各句的空格内填上一个适当的完整的单词，该词的首字母已给出。
1. He has v_________ a lot of places since he came to Ningbo.
2. When summer comes, day becomes longer and n_________ becomes shorter.
3. It's our duty to help b_________ people because they aren't able to see.
4. Hurry up, or we won't c_________ the early bus.
5. P_________ are my favorite animals and they live only in China.