问题补充：
There isn’t such a word I know.
A. as soon as
B. as long as
C. so long as
D. so far as
答案：
A. as soon as
B. as long as
C. so long as
(答案→)D. so far as
解析：词义辨析题。A. as soon as一…就B. as long as只要C. so long as只要D. so far as 据…所知句意：据我所知没有这样的词语。根据语境选D
