_______ a cold morning, I opened the window and was glad to find that It was snowingoutside.A.ByB. I

题目简介

_______ a cold morning, I opened the window and was glad to find that It was snowingoutside.A.ByB. I

题目详情


_______  a cold morning, I opened the window and was glad to find that It was snowing
outside.
A.ByB. InC.AtD.On
题型:单选题难度:偏易来源:不详

答案

D

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