Question

---We could have asked Mr. Zhang for help. He is always ready to help others.
---I ______ that. A long time ______.

1. A.
   have forgot, wastes
2. B.
   forgot, wasted
3. C.
   forgot, was wasted
4. D.
   forgot, has been wasted

Answer 1

C
考查时态。句意：我们本可以向张先生寻求帮助的，他总是乐于助人。我忘记那事了，浪费了很长时间。根据语境，忘记和浪费的动作都发生在过去，所以都使用一般过去式，选C。