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2b,2c,2d,2e. set up________________ make a difference to… ________________________ a friend of mine=one of my friends ___________________________ help (sb) out with sth________________________________________ be/get excited about sth/doing sth ____________________________________ because of your kindness _________________________________at once /right away/right now/in a minute/in a moment __________________ 5. 知識(shí)超市: 詞匯 : 1. letter: (1) write (a letter) to sb 給某人寫信 (2) get/receive a letter from sb= hear from sb 收到某人的來信 2. imagine: (1) imagine+n./pron. eg: Can you imagine life without water? (2) imagine doing sth 想象做某事 eg: Can you imag