21. The factory _________ its waste into the river, but now it deals with the waste in a new way.
A. used to dump B. is used to dump C. used to dumping D. is used to dumping
22. My brother would like to buy a good watch but _______ was available from that shop.
A. nothing B. none C. no one D. neither
23. — Do you know if Cindy will drive to Italy this weekend? — Cindy? Never! She ______ driving.
A. has hated B. hated C. will hate D. hates
24. — I saw no more than one motor-car in that shop. Will you go and buy _____?
— No, I’d rather find _____ in other shops.
A. one, one B. it; it C. one; it D. it; one
