题目内容
He was writing the letter ______ a pen when I saw him.
[ ]
A. use B. to use C. with D. in
答案：C
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名校课堂系列答案题目内容
He was writing the letter ______ a pen when I saw him.
[ ]
A. use B. to use C. with D. in
名校课堂系列答案
/America. 
ri/ about me. I'm OK now.