Mr. Smith teaches ________ science. We all like ________classes very much.
— Tom, could you help with my English?— Sure. When shall we start?
This is my friend. He is a boy. ______name is Tony.
------Would you like to eat up all the food on that plate? ------Sure,but that is not _______. I have already eaten all my food up.
— What’s this in English?— _______ a quilt.
—Hi, Jim. Can you lend ______ your pen?—Sorry, I’m using it.
