I heard that some patients who had undergone laser eye surgery experienced sudden losses of vision,...
2023-01-01 07:49:31 69次 2011-2012学年河北省高三高考仿真模拟考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
I heard that some patients who had
undergone laser eye surgery experienced sudden losses of vision, ______?
|
A．didn’t
I
|
B．hadn’t
they
|
C．didn’t
they
|
D．isn’t
it
|
本题链接：
