— Excuse me, is there someone in this seat?—_____. A man left his bag here and went to the washing room.I'm afraid so B. I don't think soC. I don't know D. I hope not
It’s raining heavily now. You’d better _______home.
— ____________we swim in that river? —No, you _______. It’s dangerous to swim there.
—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? — ____________.