Mary got up late this morning, ________ she didn't catch up the first bus.[ ]A. whileB. soC. bu

题目简介

Mary got up late this morning, ________ she didn't catch up the first bus.[ ]A. whileB. soC. bu

题目详情

Mary got up late this morning, ________ she didn't catch up the first bus.
[     ]
A. while
B. so
C. but
D. or
题型:单选题难度:中档来源:专项题

答案

B

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