Had the doctor not been sent out at once, the boy who was knocked down by a passing A B C

发布时间：2020-08-17 13:32:22

Had the doctor not been sent out at once, the boy who was knocked down by a passing
A                  B                                             C
car would not have been saved.
DB  been sent out ---been sent out for 

网友回答

(答案→)B  been sent out ---been sent out for 
解析：sent out for a doctor是固定搭配，意思是：去请医生。
以上问题属网友观点，不代表本站立场，仅供参考！