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The soldiers did what they did to rescue the survivors _______the danger of aftershock.
The headmaster suggested the problems referred __________ discussed immediately.
When he was awake, she found she was lying on _______ seemed to be a piece of stone.
—It seems impossible for you to cover that long distance1! —In no way ___________give up.
The most important words in this sentence have been ________ ,so it doesn’t make any sense.