Question

【题目】Having been treated in the hospital for as long as six months, the man injured in the car crash is now back _______ his feet.

A. at B. in C. on D. to

Answer 1

【答案】C

【解析】

试题分析：句意：在医院接受了长达6个月的治疗后，那起车祸中的受伤者现在终于康复了。be back on one’s feet痊愈，（困境后）恢复。因此选C项。