There are less than 50 students in our class.这里为什么不用fewer而用less than呢

改错there are less farms than before there are less than seventeen million There are less than oneand a half teaspoonful here There are less than 50 students in our class.这里为什么不用fewer而用less than呢 There ＿＿＿ fish in this river than in that one.A,are fewer B,are less C,are less D,is less The room ,where there are ______one bed ,is almost emptyA`not more than B`no more thanC`not less than D`no less than 改错:there are less nice clothes in this shop than in that one However,your point of view there are less than a step back.的汉语翻译 There are ( ) two hundred students in our jrade. A more B more than C much than D less less than there month's 翻译 There are less car accident this year than there were last year.纠错,并简述原因谢谢. there are __yong peoplr here now than there used to be.添fewer还是less.求原因 There __a little ___ milk in this bottle than in that one.a、is /fewer b、are /fewer c、is /less d、are /less like you are less than fucking perfect Forests are no less important than useful. there are -----people in china than in india A more B less C larger D smaller 我认为选A 理 There are ____ people in America than those in China.a.more b.fewer c.less d.most 单句改错 There are less students in our school than those of their school.请简单阐述理由，谢谢。