在英国旅游时会经常看到一些标志，你知道下列哪个是表示“No Smoking”?A． B． C．
Look! ______ pretty the dragon boats are!
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.
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