21. —We’ve missed the train!
—________, there will be another in ten minutes.
A. I’m sorry B. Excuse me
C. I beg your pardon D. Never mind
22. It’s well-known that ________ World Exposition in 2010 is quite ________success.
A. 不填; a B. The; a C. The; 不填 D. 不填; the
23. We have a fine of the lake from our hotel window.
A. scene B. sight C. view D. scenery
