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B. an C. / D. you B 第 3課時分層訓(xùn)練 ( )3.—Is this baseball John39。 my C 第 3課時分層訓(xùn)練 【 解析 】 ID以元音音素開頭,故用 an修飾。 my D. you。 his C. your。 me B. your。s ________ ruler. how,her,what,ring,a a What rings How her 課后鞏固提升 第 3課時分層訓(xùn)練 ( )1.—Is this ________ puter game? —Yes, ________ is ________ puter game. A. his。s mine. 5. That isn39。s. 3. ________ do you spell it? 4. —Is that ________ puter game? —No, it isn39。s an ID card. 2. Here are two________. They39。s and Bill39。 第 3課時分層訓(xùn)練 Unit 3 Is this your pencil? 第 3課時分層訓(xùn)練 Unit 3 Is this your pencil? 課內(nèi)基礎(chǔ)自測 課后鞏固提升 課內(nèi)基礎(chǔ)自測 第 3課時分層訓(xùn)練 Ⅰ .根據(jù)句意及漢語提示完成句子 1. I don39。t know how to p