21. As a simple and convenient way to get ______ latest fashions online, online shopping also
has ______ major problem — you can’t see whether they fit or not.
A. the; the B. / ; the C. the ; a D. /; /
22. I’d rather ride a bike as bike riding has _____ of the trouble of taking buses.
A. much B. all C. neither D. none
23. As the quality of the city’s air continues to give rise to ______, the residents are encouraged to set off fewer fireworks.
A. descriptions B. concerns C. compromise D. emergency
24. —Mr. Harry, we want to hear what you think about the reform being carried out in our school.
—OK, I _____ to that.
A. am coming B. have come C. came D. come
25. Considering your income, you should be able to ______ at least twenty dollars a week.
A. put forward B. put in C. put down D. put aside