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30 Professor Williams keeps telling his students that the futureto the well-educated.A. belongs B. is belongedC. is belongingD. will be belonged
What keeps Grimsvotn still?A. The slow flow of waterB. The low water temperatureC. The thick glacierD. The water pressure
Why can’t the man concentrate on his study?A. He keeps thinking of going to the movies. B. His classmates are taking a break.C. He’s been studying fo