Mr. Black must be worried about something. You can it from the look on his face.
A. reason
B. recognize
C. read
D. realize
网友回答
A. reason
B. recognize
(答案→)C. read
D. realize
解析：考查动词辨析。Reason 说服，辩论 recognize认出 read 阅读，看出，领会。Realize意识到。句意为布莱克先生一定是对某事很担心。你可以从他脸上的表情中看出来。