—Do you know the meeting will start?—In half an hour.A、how soon B、how long C、how far
When I was a child, I used to ___________ chocolate.
Did the police catch the thief___________?
He doesn’t do his homework___________, though he has ___________.
—_________ was light bulb invented ________ ? —Thomas Edison.
Some students enjoy raising pet dogs while__ don't agree with them.