句型转换。

1. Jump on the train. (变否定句)
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2. Is everyone ready? (变陈述句)
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3. This is a red hat. (改复数句子)
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4. Li Ming is singing. (变一般疑问句)
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句型转换。
1. My father played cards yesterday. (变为一般疑问句)
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2. Danny can fly a kite. (变为否定句)
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3. The girl is singing a song. (对画线部分提问)
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4. The stamp is ten yuan. (对画线部分提问)
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