问题
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The children are all Y__________________ Pioneers.
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When they had finished playing, the children were made to ______ all the toys they had tak
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All of the following statements about pattern Ⅱ children express differences EXCEPT ______
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The police asked the children______ cross the street______the traffic lights turned green.
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The "Lost Diamond"______to be in the safe all the time.A.turned intoB.turned upC.turned ou
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All the lights ______ before we left the office.A.has been turned offB.have turned offC.ha