句型转换
That is my good pen friend.(改为复数句子)
our good pen .
This is her family photo.(变为一般疑问句)
her photo?
Tom is Mr Green’s son.(改为同义句)
Mr Green is .
Those are my friends. (对划线部分提问)
those?
They are orange backpacks.(改为单数句子)
orange backpack.