题目内容
He came across the picture while ________ to New York.
[ ]
A. he was visiting
B. visiting
C. on visit
D. on a visit
答案:D
提示:
提示:
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while(he was)on a visit 从句中省去与主句相同的主语he和be动词.visit(访问,参观)用作可数名词,on a visit 正在访问/参观. |
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