问题
选择题
It often happens that people with good eyesight fail to see _____ is right in front of them. [ ]
A. which
B. that
C. what
D. as
答案
答案：C
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It often happens that people with good eyesight fail to see _____ is right in front of them. [ ]
A. which
B. that
C. what
D. as
答案：C