—Excuse me. May I sit here? —I’m afraid you _________. My daughter will come back soon.
—Why are you staying up so late playing computer games again?Stop being so________! — I’m not playing games, just searching for some information.
—Could we go and watch the football game? —No, ________you have the tickets.
The tour guide has made the route for the school trip. We don't need to_______ that.
—How do you communicate with your foreign friends? —________writing emails, of course.
—Could you tell me how to remember new words quickly? —Yes, I think a ________tree can help you a lot.