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er. 2. My mother is a math teacher. She works in a _______ school. 3. The giraffe can ________ the leaves on the tall tree. 4. My sister bought a beautiful ________ yesterday evening. 5. You ________ exercise to keep healthy. You are too heavy now. 【課堂探究】 探究 1 辨析 : be good at, be good with, be good for be good at 意為“擅長”, be good with 意為“對??好”, be good for意為“對??有利”。 (1) You must have good grades in English. (2) You must be good with children. (3) Call the English Study Center at 4435667 for more information. (4) Jenny is smarter, but I