__________, glasses can correct most sight defects in healthy eyes.
A.Well fitted when | B.When well fitted |
C.Well fitted if | D.If well fitted when |
相关知识点
推荐试卷
__________, glasses can correct most sight defects in healthy eyes.
A.Well fitted when | B.When well fitted |
C.Well fitted if | D.If well fitted when |
试题篮
()