Professor Smith will e here to give a speech. All the preparations must be before 5 o’clock.
A. in time
B. in sight
C. in place
D. in control
网友回答
A. in time
B. in sight
(答案→)C. in place
D. in control
解析： A及时，迟早；B在视野之内；C在合适的地方；适合；准备就绪；D在控制中；句义：斯密斯教授将要来这里做一个演讲，在5点之前所有的准备工作都要准备就绪。根据句义说明C正确。