句型装换。
1．They could help them. (改为否定句)
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2．The girl can’t walk now. (用“then”改写)
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3．Fifi can help blind people. (改为一般疑问句)
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4．This panda can’t ride a bike. (改为肯定句)
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5．I can’t stand on my hands. Can you? (根据实际情况回答)
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