Great changes have taken place in that school. It is no longer ______ it was 20 years ago, _____ it was so poorly equipped. A. what; when...
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回复(1) 2007-08-26 10:36 来自版块 - 
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教师2本题为表语从句和定语从句的综合题,表语从句缺表语,定语从句缺时间状语,所以答案为A。(2007-08-26 15:45)

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