2015年自考英语一重要考点复习:介词短语(1105)
|0·2014-11-05 10:08:46浏览 收藏
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[2009.7]Other students joined in the protest，and ________ a large crowd gathered outside the building.
A.after all
B.as soon as
C.long before
D.before long
正确答案：D
答案解析：本题考查介词短语的辨析。before long表示“不久以后，很快”。
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