In Western countries, women are always dressed _____ white ______ their wedding day, because white is the color of purity.
_______ useful information it is!
She is a _______ girl and she always says to her teachers _______.
The math problem is _______ hard for me ______ work out.
----How do you learn English, Toby? ---I often practice English _____ talking _____ my American friends.
—Would you please help me with my drawing skills? — _________. You can come to my studio every Saturday.