John is European but doesn’t know or speak English language at all. A. an aB. a theCth

问题补充：

John is European but doesn’t know or speak English language at all.

A. an，a

B. a，the

Cthe ，an

D. a，不填

答案：

A. an，a

B. a，the

C. the ，an

(答案→)D. a，不填

解析：一个欧洲人，可数名词；语言的前面是零冠词。