______ on a clear day, far from the city crowds, the mountains give him a sense

游客2024-10-02  11

问题 ______ on a clear day, far from the city crowds, the mountains give him a sense of in- finite peace.

选项 A、If walking
B、Walking
C、While walking
D、When one is walking

答案 D

解析 在时间、条件状语从句中,当从句主语和主句主语是一致的时候,可以将从句的主语和be的变化形式省略。但如果从句省略了主语和be的变化形式,而主句主语和从句主语却不一致,这时该状语从句就成了悬垂从句,如:* While moving the bureau,my back was hurt.(move和句子主语my back无逻辑关系,而其真正的逻辑主语应为“I”,因此可将本句改为While I was moving the bureau,my back was hurt.)在我搬桌子的时候,我的背受伤了。
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