Not only you and I but Peter, the top student in our grade, ________ not able to solve the problem[ ]
31. If I _________ under the ladder to catch you when you fell, you _____now.
When is he willing to lend his friends some money?— Only when ______ hard enough.
What do you think of the Sochi Winter Olympic Games—_________.They are exciting.
John seems puzzled about ________ the question meant.