—What are you doing?—I _____ a letter to my pen pal. [ ]A. write B. am writingC. writesD. am write-七

题目简介

—What are you doing?—I _____ a letter to my pen pal. [ ]A. write B. am writingC. writesD. am write-七

题目详情

—What are you doing?
—I _____ a letter to my pen pal.
[     ]
A. write              
B. am writing
C. writes              
D. am write
题型:单选题难度:中档来源:同步题

答案

B

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