句子大变身。按要求改写句子。1. My cat is smaller than Sarah's. (就画线部分提问)
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2. A killer whale can jump out of water. (变为否定句)
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3. A sperm whale is 35 tons. (就画线部分提问)
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4. I'm 2.1 meters tall. (变为一般疑问句)
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5. Are these dinosaurs bigger than houses? (作否定回答)
______________________________________________________________________1. Whose cat is smaller than Sarah's?
2. A killer whale can't jump out of water.
3. How heavy is a sperm whale?
4. Are you 2.1 meters tall?
5. No, they aren't. (答案不唯一)