Question

---May I remind you that a Mr. Zhang is waiting downstairs, sir?
---Oh, dear. I ______ about it.

1. A.
   forget
2. B.
   forgot
3. C.
   have forgotten
4. D.
   had forgotten

Answer 1

B
考查时态。“先生，一位姓张的先生在楼下等你。”“噢，天啊！我忘记了。”指对话之前的事情，应该用一般过去时，即刚才忘记了。故选B。