自考《英语（一）》试题练习：介词短语的辨析（9.13）

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2013-09-13 11:28 自考365

　　单选题

　　1.[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