--Who’s the man over there?Is it Mr Black?----It _____be him.He’s much taller.
—Would you please tell me something about your travel in Sydney —____________.
Beijing won the right (权) of holding the 2008 Olympic Games in Moscow ____________the night of July 13th, 2001.
—Have you ever been to the Great Wall? — ____________.
Do you think maths is ____________foreign languages?
—Do you know ____________she came to Beijing? —Yes. She came by plane.