—Look! Somebody ______the blackboard.—Well, it wasn't me.I didn't do it.
He looked as if he _____ the answer.
Having you ever ______ in front of thousands of people at a concert, with everyone _____ while you were singing?
Tom was always _____ new and good ideas.
—What’s that unpleasant noise? —Oh, the road before the main gate .
I have made up my mind to set off tomorrow morning, and I will _____ my decision.