—Shall we go out for a walk?—Sorry, I can't. I _____ myhomework.[ ]A. doB. didC. am doing D. wa

题目简介

—Shall we go out for a walk?—Sorry, I can't. I _____ myhomework.[ ]A. doB. didC. am doing D. wa

题目详情

—Shall we go out for a walk?
—Sorry, I can't. I _____ my  homework.
[     ]
A. do    
B. did    
C. am doing
D. was doing
题型:单选题难度:中档来源:同步题

答案

C

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