题目内容
________ I know, light travels not only in a straight line.
| A.So far | B.So many |
| C.So far as | D.As many as |
C
C [as/so far as I know意为“据我所知”。]
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题目内容
| A.So far | B.So many |
| C.So far as | D.As many as |