It snowed heavily for three days and they were separated from the outside world.A. in the

It snowed heavily for three days and they were separated from the outside world.
A. in the end
B. on end
C. by the end
D. at the end

A. in the end(答案→)B. on endC. by the endD. at the end解析：可联系答.案.网客服索取。

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