He didn't come to the meeting yesterday.That was _____he had to see his sister off at the airpo

题目简介

He didn't come to the meeting yesterday.That was _____he had to see his sister off at the airpo

题目详情

He didn't come to the meeting yesterday.That was _____ he had to see his sister off at the airport.       
[     ]
A. that        
B. why        
C. because      
D. how
题型:单选题难度:中档来源:同步题

答案

C

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