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writing 9. What did。 to clean up 2. making a plan 3. to help out 4. accident happened to 5. travel alone 6. make a big difference 7. Did。 exciting 。 excited 。 lonely 。 alone 。s always ___ at home, but he doesn39。 to play D. plays。 playing B. play。ll ___ do it well. A. can B. could C. are able to D. be able to 8. He didn39。s go to see the sick kids and ___. A. cheer them up B. cheer up them C. clean up them D. fix them up 7. If you do your best, I39。 An ______ _____ _____ him yesterday. 5. 我想獨自去旅行,但爸媽告訴我不要這么做。 Unit 2 I’ll help to clean up the city parks 基礎(chǔ)導(dǎo)練 Ⅰ . Translation 1. 張貼;舉起 _______________ 2. 在