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store prices. A. are bought B. bought bought 3. Don’t all speak at once! ______ ,please. A. Each at one time B. One by one time C. One for each time D. One at a time 4.— I’ m afraid I can’ t finish the book within this week. — ______ . A. Please go ahead ’ s right C. Not at all D. Take your time 5. The ____ look on his face suggested he _____ that. A. sur