—What _____ you ______?—I'm reading a book.[ ]A. do ; doB. are ; doing C. are; doD. do; doing-七

题目简介

—What _____ you ______?—I'm reading a book.[ ]A. do ; doB. are ; doing C. are; doD. do; doing-七

题目详情

—What _____ you ______?          
—I'm reading a book.            

A. do; do                      
B. are; doing            
C. are; do                      
D. do; doing
题型:单选题难度:中档来源:同步题

答案

B

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