It was not until Bob took off his dark glasses that I him.A. realizedB. requestedC. recor

问题补充：

It was not until Bob took off his dark glasses that I him.

A. realized

B. requested

C. recorded

D. recognized

答案：

A. realized

B. requested

C. recorded

(答案→)D. recognized

解析：考查动词辨析，A. realized意识B. requested要求C. recorded记录D. recognized认出，句子意思“直到鲍勃摘下眼镜我才认出他”