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錄“ 優(yōu)教同步學習網(wǎng) ”, 預習 Unit4 Lesson3。t have an eraser. Sorry. I don39。m using it. Bill: That39。s OK. Hi, Lucky. Lucky: Sure. Here you are. Can I use your glue stick? please? Presentation A. Look, listen and repeat. Ask and answer. Presentation Can I use your … Sorry, I’m using it. Sure. Here you