句子大变身。按要求改写句子。 1. Sarah is 50 kg. (就画线部分

问题：

句子大变身。按要求改写句子。

1. Sarah is 50 kg. (就画线部分提问)

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2. My legs are 76 cm. (就画线部分提问)

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3. Mike is heavier than me. (就画线部分提问)

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4. I wear size 17. (变为一般疑问句)

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5. Are your legs 70 cm? (作肯定回答)

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6. I'm bigger and stronger than you. (变为否定句)

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