1.Four plus three are seven.2.Lucy and lily are in different row.

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• 1.Four plus three are seven.2.Lucy and lily are in different row.句子改错
• 句子改错：1.I can see some apples in that oid apple tree.2.One of my classmates are english.3.I can see some apples in that oid apple tree.4.Is it a your ruler?5.Four plus three are seven.6.Mr Green is a good teacher.The students love her very much.7.Lucy and Lily are in different row.8.There aren't some birds in the sky.9.I not have a new pen.10.I can spell it,but you can spell it,too.
• 1.Four plus three are seven.2.Lucy and lily are in different row.
• 水泥厂去年前十个月的总产量超过全年计划的15分之1,去年前十个月共生产水泥24万吨,去年计划生产水泥多少万吨?
• 已知斜三棱柱ABC-A1B1C1,AC⊥BC,AC=BC=2,A1在底面ABC上的射影恰好为AC中点D,又已知BA1⊥AC1