用括号里所给单词的适当形式填空
1. The boy practices _______ (speak) English every day.
2. P.E. is short for __________ (physics) education.
3. They enjoyed _________ (them) at the party last night.
4. Age is a _______ (person) problem in the West. Don’t talk about it.
5. At the _______ (begin) of the book, the writer told us a story.