一、根据句意及中文提示写出所缺单词的完全形式
1. Excited by the news, he couldn’t find words to c__________(表达)his feeling at that time.
2. I’ll go to Guangzhou v__________(经由)Shanghai, where I’ll drop in on a friend of mine.
3. Because of the heavy fog, all the flights have been p__________(延期)till further notice.
4. He divided the field into different s__________(部分), where different vegetables were grown.