this is my pen pal改成复数形式
this is my pen pal改成复数形式
This is my pen复数形式
This is my backpack.改成复数形式
pen in pal is Canada my This .
He's my pen pal.变为复数形式
this boy is my goog frierd改成复数形式
is,canada,in,my,pen,pal,this.(连词成句)
This is my new pen pal He____from china
英语复数形式it this a book,it is a pen,there is a book,以上改成复数形式.th
This is his pen.复数形式
This is a pen.(改为复数形式)
It is my pen.(改为复数形式)