It'sreportedShuanghuYuCaiMiddleschoolwillbebuilt 

問題詳情：

 It's reported Shuanghu Yu Cai Middle school will be built  ______ Sep 1th, 2013

      A. in           B. on                 C. at           D . for

【回答】

B

知識點：介詞和介詞短語

題型：選擇題