—ThisisTomspeaking.—Oh,it’sgreat.ButI

问题详情：

 — This is Tom speaking.

— Oh, it’s great. But I ______ your voice just now.

  A. didn’t know     B. didn’t recognize     C. didn’t hear              D. don’t know

【回答】

B

知识点：一般过去时及其被动式

题型：选择题