On birthday, they buy flowers_________ birthday presents.A. for B. as C. to
— Dad, why must I stop_____ computer games?—For your health, my boy.
—Cathy, could you come to our art club tomorrow?—________________.
There are about ______ students in your school.
To my_____, he has such a haircut today.
Though he studies very hard, ______ his English is not good.