题目

The girl arranged to have piano lessons at the training centre with her sister________she would stay for an hour.        A.where                     B.who                          C.which                D.what 答案：A 解析: 考查定语从句。所填词引导定语从句，先行词是training center，从句主要成分齐全，关系词做从句的状语，故先行词指地点，选A项。其余选项不符合题意。

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