This is an apple.that is a pen.改复数形式
This is an apple.that is a pen.改复数形式
英语改复数形式That is a dictionary This is an exercisebook It is a
this is an apple.改成复数形式
This is a pen.(改为复数形式)
变复数1.This is a knife2.That is an apple tree3.He is a policem
that is an apple tree 改复数句
This is a pen and that is a knife改为复数形式
this is an apple tree改为复数形式
this is an apple and that is a 写出复数句.
改复数 单数形式复数:This is a good doctor I'm an English teacherIt is
That's a ruler.对 a ruler 提问.Is this an apple?改为复数句子.
This is an apple 变为复数句子