the man who was a friend of his father's, and he went over to say“Hello to him.
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________ the man who was a friend of his father's, and he went over to say“Hello”to him.
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A．RecognizingB．Having recognizedC．On recognizingD．The boy recognized试题答案
答案：D
解析：句中有连词and连接两个并列分句，因此其他三个选项不对。 |