—Would you please _______ so much noise?—Oh, sorry, I won’t.
—Which do you prefer,a CD player or a Walkman?—________.I prefer a portable computer.
I can’t play the piano,and________.
She’s not strong enough________walking up mountains.
—Could I borrow your camera?—________,but please give it back by Saturday.
—Sir,could you please put out your cigarette?This is a smoke-free(无烟的)school.—________.