Your friend Lili used to play the piano, _______? [ ]A. used she B. doesn't she C. didn't

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• The old man could hardly read or write, ______? [ ]A. can he B. can't heC. could he D. couldn&#
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• Your mother got up early this morning, ______? [ ]A. did your mother B. didn't your motherC. di
• —Your brother doesn't get up early, does he? —_______. But he gets up late on weekends. [ ]A. Y
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• You have never been to Bridge Street,_____? [ ]A. have youB. haven't youC. do you D. don't
• There is little milk in the bottle, ___? [ ]A．isn't it B．is it C．isn't there D．is there -八
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• 植物的主要组织有：______组织、______组织、______组织、______组织．-生物
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• 根尖分生区的功能是[]A．不断分裂产生新细胞B．吸收水分和无机盐C．把根尖向土壤深处推进D．运输水分和无机盐-七年级生物
• 掐去植物枝条的顶端，这根枝条不能继续往上生长，是因为破坏了[]A．输导组织B．营养组织C．分生组织D．保护组织-七年级生物