The letter is from Mary to him.同义句

问题描述:

The letter is from Mary to him.同义句
He ___the letter ___Mary.

He __receives_the letter _from__Mary. 他收到mary的信.
receive收到,由于主语是第三人称单数,所以要变成单三形式.好像有字写错了咧!!!什么字??三单写成单三