根据句意填入适当单词
1. His mother __________ him and said good night to him.
2. We're very happy to see __________ again after one-week sailing on the sea.
3. You are supposed to __________ when you meet Japanese.
4. The shop is very __________ on Sundays. There're so many people.
5. We won the first prize at the sports meeting. Our teacher was very p __________ with what we did.
6. Before you go to England, you must learn the table __________ there first. They are different from ours.
7. He doesn't like to use a __________ when he eats soup.
8. Don't throw about __________. It's our duty to protect the environment.
9. Edison is a great inventor. When he was a child, he began to __________ with his new ideas.
10. Can you __________ a sentence by using these words?