问题
选择题
Yesterday he called ____me ____my office and told me the good news.[ ]
A. at, at
B. on, on
C. at, on
D. on ,at
答案
答案：D
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Yesterday he called ____me ____my office and told me the good news.[ ]
A. at, at
B. on, on
C. at, on
D. on ,at
答案：D