Question

Mary said that she  ___________ London．

1. A.
   has never gone to
2. B.
   has never been ,to
3. C.
   had never been to
4. D.
   had never gone to

Answer 1

C

这题考查时态：主句是过去时，从句应该是相应的过去时，所以在C和D里面选，又因为：been to“去过”，gone to“去了”，句意是：玛丽说她去过伦敦，选C。