this is my ruler.that is his dictionary.this is my uncle.these are his pens.复数,复数
问题描述:
this is my ruler.that is his dictionary.this is my uncle.these are his pens.复数,复数
答
These are my rulers .
Those are his dictionaries .
These are my uncles .
This is his pen .thisismy familyphoto改为否定句Thisisn't my family photo .