题目内容
() 3. I often have conversations with John over telephone,while I keep in touch with Tom by letter.
A. /; the B. /;a C. the;/ D. the;a
3. C
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题目内容
() 3. I often have conversations with John over telephone,while I keep in touch with Tom by letter.
A. /; the B. /;a C. the;/ D. the;a