英语复数形式he is an engineer.复数形式her ice-cream is delicious.复数形式

英语复数形式he is an engineer.复数形式her ice-cream is delicious.复数形式 Is he an English boy.复数形式 he is 复数形式 he is an engineer.把句子改为复数形式 He has an eraser复数形式 this is an apple.改成复数形式 This is an arm.改为复数形式 英语改复数形式改这几个哈……1、It's a knife.2、He is an English teacher.3、I'm a studen. He is a boy变复数形式 He is a teacher复数形式 Who is he?复数形式是什么? Is he a teacher?(改为复数形式) he is a driver 改为复数形式? he is a farmer.改为复数形式 He is cook noodles .变为复数形式 Where is he from?复数形式是什么 改复数形式He is a student. it is an orange,he is my friend 改成复数形式.还有,英文的家谱怎么写?____ tree