求,7上英语可数名词及复数,动词及单三答:4\x05一些集体名词总是用作复数\x05people,police,cattle,staff 5\x05部分集体名词既可以作单数(整体)也可以作复数(成员)\x05audience,class,family,crowd,couple,group,committee,government,population,crew,team,public,enemy,party 6\x05复数形式表示特别含义\x05customs(海关),forces(军队),...