—How much do you know about Taiwan, Li Fen?—Taiwan and the mainland have a lot in common. They a lot of history and culture.
The librarian(图书管理员) warned me _____ the books in two weeks.
One night, Hou Yi found that the moon was ____ bright and round _____ he could see his wife there.
I was afraid ______ mistakes.
_______ English programs is a good way to learn English.
They find ___ difficult to understand the teacher when they talks.