look he is (writing) a letter to his
look he is (writing) a letter to his
He is writing a letter in his study. (否定)
He is writing a letter to his mother on the paper对to his mot
He is writing a letter
He is writing a letter.(对a letter提问)
He’s writing a letter to his friend. (变为同义句)
Tony is writing a letter in his room.(对writing a letter提问)
Mike is writing a letter to his father (改为同义句)
MIke is writing a letter to his friend when his mother _____
on ,writing ,friend ,he's ,the computer ,his ,to ,a letter ,
My brother is writing a letter to his friend now (用tonight)
mike is writing a letter to his father.改为同义句