—CouldyoutellmewhereyoufoundMissGaojustnow?—Certainly....

问题详情：

 —Could you tell me where you found Miss Gao just now?

—Certainly. In the principal's office. They ________ happily at that lime.

A. are talking  B. have talked  C. were talking

【回答】

C

知识点：动词时态

题型：选择题