Our teacher is standing________ the blackboard. A. in the front of B. in front C. in front of
—What ______ the number of the students in your school? —About two thousand. A number of them _____from England.
Why not ______ your teacher for help when you can’t finish ______it by yourself?
There is going to be a wonderful party __ the evening ___October 1st, 2009.
My son want a pet rabbit for long, but I have no time to buy ______ for him.
We have two rooms _______, but I can’t decide ________.