—By _______ an e-mail.
—It's about 5 kilometers.
—About 1,000 kilometers.
— Once a month.
we the party this Saturday?
—Walk along this road and turn left.
Einstein famous for?
—There're 12.
his parents like ?
his name?
Tom's sweater?
are these shoes?
had he studied Chinese before he came here?
—Every day. It's so quick and easy.
is your favorite radio show?
—Oh, I've just made a model plane for my brother.
— It's Monday.