问题描述：
1.He bought a house last year.2.He has already bought a house year.
1.He bought a house last year.
2.He has already bought a house year.
把这两个句子先变否定句、在变疑问句.
对每个句子中的last year提问.
在对每个句子中的a house 提问.
1.He bought a house last year.
2.He has already bought a house year.
把这两个句子先变否定句、在变疑问句.
对每个句子中的last year提问.
在对每个句子中的a house 提问.
问题解答：
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