While (cross) ______ the street, I saw someone waving to me.crossing本题考查非谓语动词。动词

游客2023-10-06  29

问题 While (cross) ______ the street, I saw someone waving to me.

选项

答案 crossing

解析 本题考查非谓语动词。动词的现在分词表示一种伴随状态,与主语构成逻辑上的主动关系。
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