题目内容
（请给出正确答案）
[单选题]
There are several ways （） we can cross the river without the help of local villagers.
A.in which
B.across which
C.to which
D.on which
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.in which
B.across which
C.to which
D.on which
如果结果不匹配，请 联系老师 获取答案
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A.a
B.an
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