—Why are you standing there, Maggie?—I can’t see the blackboard clearly. Two tall boys are sitting me. A. behind B. in front of C. beside
I fell down and broke three of my teeth. I wonder how many times I have to come here to get my broken teeth _______.
—What do you usually do in the morning?- I often practice__________ English.
Eric is so careful that he always looks over his exercises to ________ there are no mistakes.
Excuse me ,sir. You ______ open the door before the train stops.
The movie wasn’t ______.He fell asleep half way through it.