按要求改写句子。
1.He likes dogs. (改为一般疑问句)
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2.at, that, look, dog, toy (.)(连词成句)
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3.I’d like some dumplings.(对划线部分提问)
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4.Do you like dogs? (做否定回答)
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5.I have three toy dogs.(对划线部分提问)
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