—Who is the girl ____?—She’s my sister.A. in a yellow B. in the yellow C. in yellow
—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!
They went out for a walk at night, _______ ?