把下列单词变成复数形式1.a piece of beef2.a cup of tea 3.a bottle of juice4.a box of glass

把下列单词变成复数形式1.a piece of beef2.a cup of tea 3.a bottle of juice4.a box of glass 初一英语题：把下列单词变成复数形式.motherfatherborthersisterfriendgrandfathergrandmother 把下列句子变成复数形式.This is a watch. 把下列句子变成复数形式.Is he a student? 把下列句子变成复数形式.It is a map. 把下列句子变成复数形式.Is it a thriller? 把下列句子变成复数形式.It is a photo. 把下列单词变为复数形式 把单词变成复数形式fix______ sell______cross_______ kneel________ 把下列句子变成复数形式.It is your dictionary. 把下列单词变成复数形式：bike bird class bus box egg desk tree cake teacher child man woman boy 把下列单词变成复数形式!快puppy bear boy watch sheep mango policeman knife candy kiwifruit 把下列单词变成复数形式it-?this-?that- cake- bag- orange- is- bus- friend- watch- eraser- 把下列单词改成复数形式chopstick noodle english复数形式English这个单词如何变成复数形式 请将下列单词变成复数形式half boot blood heat mouth cow tear 将下列名词变成复数形式 可数英语单词有几种变复数形式?有几种变成复数的单词?