用less或fewer 填空
【小题1】__________ words
【小题2】__________ people
【小题3】__________ money
【小题4】__________ milk
【小题5】__________ buildings
【小题6】__________ snow
【小题7】__________ pollution
【小题8】__________ movies
【小题9】__________ school buses
【小题10】__________ free time