—IwanttoseeMr.White.Wehaveanappointment.—I’msorry,buthe...

问题详情：

—I want to see Mr. White. We have an appointment.

—I’m sorry, but he is not ________ at the moment, for the meeting hasn’t ended.

A. busy                                 B. active                          C. concerned                   D. available

【回答】

D

【解析】

知识点：单词

题型：选择题