After the earthquake the electricity supply failed, _____ the cooling system break down.[ ]A. having

题目简介

After the earthquake the electricity supply failed, _____ the cooling system break down.[ ]A. having

题目详情

After the earthquake the electricity supply failed, _____ the cooling system break down.

[     ]

A. having made
B. making
C. made
D. to make
题型:单选题难度:中档来源:0103 月考题

答案

B

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