题目内容
I was ________ leave ________ I saw him ________ towards me with a bag in his hand.
A.about to;when;run B.about to;when;running
C.to about;when;run D.to about;while;run
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题目内容
I was ________ leave ________ I saw him ________ towards me with a bag in his hand.
A.about to;when;run B.about to;when;running
C.to about;when;run D.to about;while;run