单选题 I will fly to Shanghai tomorrow morning,______I plan to stay for three days.

【正确答案】 C
【答案解析】[解析] 本题考查定语从句。这是一个表示地点的非限制性定语从句,故选C。
[知识拓展] where也可以用in which或at which来代替。如:This is the school at which I spent my childhood.