---I called you when I got the news yesterday. But you weren’t in.---Oh, I __________ dinner for the family and didn’t hear it.
—Could I use your dictionary? —________.
—Could you please________the floor for me? —Yes,sure.
—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.