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withoutdoing可以放句首?_____howtogettothefactorywherehissonworked,hewenttothepoliceforhelpANotknowingBWithoutknowing选A还是B
题目内容：
without doing 可以放句首?
_____ how to get to the factory where his son worked,he went to the police for help
A Not knowing
B Without knowing
选A还是B优质解答
Without surfing on line,you can not ask your Q
_____ how to get to the factory where his son worked,he went to the police for help
A Not knowing
B Without knowing
选A还是B
优质解答
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