The witnesses ________ by the police just now gave very different descriptions of the fight.
I won’t give my help ______ you will tell me the truth.
Although there were so many people in the square, I could ______ my friend.
Jane is not ____ she was ten years ago. She has changed so much.
China as well as the other two super countries _____ sent a man into ____ space.
–When and where shall we meet? -We _______ meet at the station at four this afternoon.