关于定语从句填引导词的题咧~Great changes have taken place in that school.It is no longer ( ) it was 20 years ago,( ) it was poorly equipped.

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关于定语从句填引导词的题咧~Great changes have taken place in that school.It is no longer ( ) it was 20 years ago,( ) it was poorly equipped.

关于定语从句填引导词的题咧~Great changes have taken place in that school.It is no longer ( ) it was 20 years ago,( ) it was poorly equipped.
关于定语从句填引导词的题咧~
Great changes have taken place in that school.It is no longer ( ) it was 20 years ago,( ) it was poorly equipped.

关于定语从句填引导词的题咧~Great changes have taken place in that school.It is no longer ( ) it was 20 years ago,( ) it was poorly equipped.
首先划清句子的成分
It is no longer ,
第一个空填what,是因为后面从句it was 20 years ago中缺少表语,在从句中差成分,比如主语,宾语,表语等,就用what
第二个空后的从句是个时间状语从句,意为在它(指这个学校)设备陈旧的时候.它的从句主谓宾成分齐全,缺少的是时间状语,因此用when做状语

what---------所。。。。的
when---------当时,那时
该校发生巨变,再也不是20年前的那个样子,当时设备很差。