The pupils were playing games in the classroom ________ a gunman entered and began shooting wildly at them.
Mr. Bush is on time for everything. How _______ it be that he was late for the opening ceremony?
—I hear you've got a set of valuable Australian coins. ___I have a look?—Yes, certainly.
—Is John coming by train?—He should, but he _ not. He likes driving his car.
I told Sally how to get here, but perhaps I _________ for her.
I was really anxious about you. You _home without a word.