You must keep the door _______ when you leave your room. — But I want to get the fresh air. I think I can keep the window ________ instead.

Miss Li has taught ____ English for about 3years.—You are lucky. ____ is a very good teacher.

_________have you been to New York? -Twice.[ ]

Tom, _____ students are there in your class? —_____[ ]

I read little now and I am always busy with my job. ________ my friend.