—Is this factory_____ your father once worked?

问题描述:

—Is this factory_____ your father once worked?
—Yes.He worked here for several years in the 1980s.
A.the one B.in which C.where D.which
为什么不选A呢?

这类题有一个技巧,可以先把疑问句转换成陈述句的形式,就很容易了:
This factory is () your father onced worked
用where, 表示.的地方.