The patient’s dangerous condition the doctors and nurses many a sleepless night. A. costB.

问题补充：

The patient’s dangerous condition the doctors and nurses many a sleepless night.

A. cost

B. spent

C. paid

D. made

答案：

(答案→)A. cost

B. spent

C. paid

D. made

解析：单词cost spend pay都表示“花费”的含义，但是spend pay 用人作主语而cost用物作主语。病人危险状况使得医生护士们付出了许多不眠之夜。选A