高等继续教育 / 经贸英语
正确率：100%
题型描述: 单选题
In spite of every care in packing, it sometimes happens ＿＿＿＿ a few barrels are broken in transit.
A.that
B.which
C.while
D.when
In spite of every care in packing, it sometimes happens ＿＿＿＿ a few barrels are broken in transit.
A.that
B.which
C.while
D.when
参考答案：
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