—What are you doing for vacation?—I ______ my sister.[ ]A. babysitting B. are babysittingC. is babys

题目简介

—What are you doing for vacation?—I ______ my sister.[ ]A. babysitting B. are babysittingC. is babys

题目详情

—What are you doing for vacation?  
—I ______ my sister.

A. babysitting    
B. are babysitting  
C. is babysitting    
D. am babysitting
题型:单选题难度:中档来源:山东省期末题

答案

D

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