Don’t keep the boy in the rain. He will fall ill.A. standB. to standC. standingD. from st

问题补充：

Don’t keep the boy in the rain. He will fall ill.

A. stand

B. to stand

C. standing

D. from standing

答案：

A. stand

B. to stand

(答案→)C. standing

D. from standing

解析：此题考查固定结构keep sb doing sth表示让某人一直做某事。