As soon as all the chairs are we can let the people outside enter.A. in the place; wai

问题补充：

As soon as all the chairs are , we can let the people outside enter.

A. in the place; waiting

B. in place; waiting

C. in the place; waited

D. in place; waited

答案：

A. in the place; waiting

(答案→)B. in place; waiting

C. in the place; waited

D. in place; waited

解析：考查固定句型和分词作后置定语，in place意思“准备就绪”，waiting做名词the people的后置定语，表示正在等待的人