The new machine,if _________ properly,will work at least ten years.
--- You’ve sold your car! You don’t need one? --- _____. The traffic is too heavy nowadays.
. --- I think the waiter has forgotten us. We ________ here for over half an hour! --- I think you’re right. He probably thinks we have already ordered.
. When she woke up, she realized that things she had dreamed about could not _______ have happened.
Mr. John was always _______ the poor and the sick, often providing them with free medical care.
--- Excuse me, would you mind answering a few questions? --- Well, I don’t know. I’m in rather a hurry_____.