(2013·高考浙江卷)The museum will open in the spring with an exhibition and a viewing platform visitors can watch the big glasshouses being built.
A. what
B. where
C. when
D. why
网友回答
A. what
B. where
C. when
D. why
解析：选B。题干的意思是：“博物馆将在春季开放，届时将有一个展览，还有一个观光平台，在这里参观者可以看到许多在建的大玻璃暖房。”分析句子结构可知， visitors can watch the big glasshouses being built为定语从句，a viewing platform为定语从句的先行词，从句缺少地点状语，要用where引导，所以正确答案为B项。