While (walk) ______ along the street early in the morning, he saw her.walking当时间

游客2023-10-08  32

问题 While (walk) ______ along the street early in the morning, he saw her.

选项

答案 walking

解析 当时间状语从句的主语与主句的主语相同时,从句中可以省去主语,谓语动词使用现在分词的形式。这个句子的完整形式应该是“While he was walking along the street early in the morning,he saw her”。
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