—Do you know what to do in the lab, Mike? —Oh, sorry I don’t----just _____if I could get a ticket for the Shanghai Expo.
I’m afraid we can’t have coffee; there’s _____ left.
The classroom is almost empty, where is _____?
Don’t go to _____ places where there is no fresh air.
Energy is ____ makes one work.
I know nothing about the accident except _____ I read in the paper.