Mr Wang has worked as English teacher for more than 10 years.A. /B. aC. anD. the

问题补充：

Mr Wang has worked as English teacher for more than 10 years.

A. /

B. a

C. an

D. the

答案：

A. /

B. a

(答案→)C. an

D. the

解析：考查冠词。句意“王先生已经当了十几年的英语老师了。”泛指一个用不定冠词a/an，English首字母发音是元音，故用不定冠词an。故选C。