Many teenagers show interest in the books that are written ________ Guo Jingming.—That’s true. My son says he can get what he thinks and wants in his books.[ ]

I go to Park School Oxford, UK.[ ]

Stay away from junk food, please. It’s bad for us，_________ for children!

What is Lucy doing now?—She _____ a book.

_______ the age of four, he started to learn the piano.[ ]