Mo Yan's books are very popular, You can find they are on sale _ _ many languages.
—Wish you good luck in this English exam.—_______
—Is that girl in red Sally?—No, it_______ be her. She has gone to Hong Kong.
It’s winter now. We should stay away from cold _______doing sports every day.
—You look very happy, why?—I have got _______ “A” in the math test.
_______ good advice the teacher gave me!