Don’t ______ the ball on the ground. It’s made of glass.
.How beautifully she sings! I have never heard _______ voice.
He is taller than _______ girl in his class.
—Do you have enough men to carry these chairs? —No. I think we need _______ men.
—Could you tell me ______ ?—By watching English movies.
—______to give back the books to the library before Friday.—OK. I will.