On our arrival, we found Tom _____at the desk and ______a letter.A．seated, wroteB．sitting, writtenC．

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• 先化简，再求值：，其中。-九年级数学
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• 化简：的结果是[]A、B、C、-D、--八年级数学
• 先化简，再求值：，其中x=+1。-九年级数学
• 先化简，再求值：，其中a=-3。-九年级数学
• The tower ________ now in the distance will be completed in two months．A．being builtB．to be builtC．b
• -----Each of the students in No.1 Middle School hard at his or her lessons,to go to university some
• 先化简，再求值：，其中。-九年级数学
• 先化简，再求值：，其中x=。-九年级数学
• 化简=（）。-八年级数学
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• 计算：（1）；（2）。-九年级数学
• ___ from space, the earth with water ___70％ of its surface looks like a "blue blanket". A．
• China recently tightened its waters controls near the Huangyan Island to prevent Chinese fishing boa
• 先化简，再求值：，其中。-九年级数学
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• _________on the main street, the market was busy yesterday.A．LocatedB．locatingC．being locatedD．to be
• _____ the lecturer more clearly, I arrived early and chose a front seat. A．HearB．To hearC．HeardD．Hea
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• The pilot asked all the passengers on board to remain________ as the plane was making a landing. A．s
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• _______ many times , he still couldn’t understand it．A．ToldB．Having been toldC．Having toldD．He had b
• There is no need ______ because Mr. Smith is still sleeping.A．to hurryB．hurryingC．hurryD．hurried-高二英
• 已知，则（）。-九年级数学
• A serious earthquake struck the village, __________ many people homeless.A．to causeB．causedC．causing
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• 化简：。-九年级数学
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• Though_____ money, his parents managed to send him to university.A．lackedB．lackingC．lacking ofD．lack
• 先化简，再求值：，其中x=+1，y=-1，-九年级数学
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