A-A+

It is a kind of illness that can result in tot

2022-08-05 17:14:40 问答库 阅读 170 次

问题详情

It is a kind of illness that can result in total blindness if ____
A.to leave untreated
B.is left untreated
C.leaving untreated
D.left untreated请帮忙给出正确答案和分析,谢谢!

参考答案

正确答案:D

考点: