The high-speed railway station has been successfully constructed in _____used to be a…
A.what B.which
C. that D.where
感恩您的提问。
分析:in是介词,后面接名词, 2. 再看used to be ...这是一个从句,从句缺一个主语。
所以空格处,in后面缺少一个名词,同时空格后面的从句缺少一个主语。
结论:空格处 的词应该具有 先行词 (名词)和关系代词 (做主语)的功能.
而 what = the thing which . the thing 是先行词,做介词in 的宾语。which 是关系代词,做从句的主语。
另外一种思路:
The high-speed railway station has been successfully constructed in _____used to be a…
如果 把which,that,where 放进空格,你会发现 从句的主语是有了,但是介词in后面没有先行词。从句是修饰先行词的。
应该用what, 融合型关系代词what= the thing that. 其他选项则没有这个功能。请体会两个例句:1. Our tour began in what used to be the dormitories (students' residences), now classrooms. 2. She has a downstairs bedroom in what used to be the dining room.
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