_______does your mother watch the Talk show—Once a week.

Hello, may I speak to Mr. Li—Oh, sorry! He__________to Hong Kong. He will come back in three days.

一I don’t think history is more useful than physics.—I disagree. In my opinion, history is _______________physics.

下列各句中，表达得体的一句是

here anything wrong, Bob You look sad.—Oh, nothing much. In fact, I __________ of my friends back home.