按要求完成下列各题。
1. I usually go to the zoo by bus.(对划线部分提问)
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2. I often walk to the park.(变成一般疑问句)
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3. Andy wants to go to school by the school bus. (变否定句)
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4. 15 students usually go to school on foot.(对划线部分提问)
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5. That looks fine.(汉译英)
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