II．单项填空（共15题，每小题1分，满分15分）
21．_________ your score and see how many points you get.
A. Add B. Add to C. Add up D. Add up to
22. From her ________, I guess she must come from the West of America.
A. sound B. voice C. accent D. noise
23. After graduating from college, we finally got ________ chance to take ______ bike trip.
A. a; / B. the; / C. /; the D. the; a
24. It was because of bad weather _________ the football match had to be put off.
A. so B. so that C. why D. that
25. I’ll call on you this evening _________ I can stay only a few minutes.
A. now that B. so that C. as if D. even if
