—Would you like to drink ________ hot drinks?— No, thanks. There is _________in my cup.
It is a pity that his son was born _______ a weak heart.
It is wrong of a student ______ his homework by himself. Copying makes one lazy.
—The theatre is far away and there is no bus.—Do you mean it is ______ to take a taxi?
—I hear Tom is leaving.— ____________ why?
—Huang Wei rides a bike very well. Who taught him?—No one. He taught _________.