One of my teachers an Englishman. A. isB. areC. doD. does

问题补充：

One of my teachers an Englishman.

A. is

B. are

C. do

D. does

答案：

(答案→)A. is

B. are

C. do

D. does

解析：本题主语的关键词是one，表示的是单数第三人称，故之后所用的be动词用is，故本题选A。