his

Only when he had handed in his exam paper _____ he had made several grammatical mistakes.

My grandpa can' t  hear clearly. There's something wrong with his______.

He changed his name,　　　　that nobody would find out what he had done before.

　　　　for a long time, but he tried his best to catch up with his classmates.

—You can see Mr. Smith if there is a sign“_____”on the  door of his shop.—Thanks.

Tom regards Nanjing as  his  second ______because he has been there for over ten years.

—I'm afraid his radio is too noisy. Will you please _____ him to turn it down?—Sure.

---Do you know Jim quarreled with his brother this morning?     --I don’t know, ______.

The old man looked at me with his mouth wide open _____ to say something to me.

--I told you that he would come to see you.--Actually I had little doubt _____ his story was true.