题目内容
2. He had learned 2 ,000 English words before he came to middle school.(改为一般疑问句)
he 2,000 English words before he came to middle school?
2. Had,learned
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题目内容
2. He had learned 2 ,000 English words before he came to middle school.(改为一般疑问句)
he 2,000 English words before he came to middle school?
2. Had,learned