The earthquake _____ when I _____ some cleaning.[]A. starts, was doingB. started, was doing C. was s

题目简介

The earthquake _____ when I _____ some cleaning.[]A. starts, was doingB. started, was doing C. was s

题目详情

The earthquake _____ when I _____ some cleaning.        
[     ]
A. starts, was doing          
B. started, was doing  
C. was starting, was doing    
D. starts, were doing
题型:单选题难度:中档来源:江苏期末题

答案

B

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