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He is______in his mind.A.cheerfulB.merryC.gladD.joyful..
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He wrote to me ______ a business arrangement.A.co.....
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下列关于水提醇沉法操作的陈述,错误的是A、水提液须浓缩后再.....
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山区的优势是(),在发展()方面还有特殊的价值。..
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I don t think she cares,______?A.do IB.doesn"t sheC.does sheD.don"t I..
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She______the newspaper and put it into the handbag.....
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