Question

Tiffs is the factory ________ we visited yesterday morning and is the one ________ my father once worked.

1. A.
   that; where
2. B.
   where; that
3. C.
   where; where
4. D.
   that; that

Answer 1

B
在定语从句中，若先行词为地点，则应由where引导；若先行词为数词，则只能由that引导。