问题补充：
His English is very good, because he is from Australia, an country.
A. spoken; English-spoken
B. speaking; English-speaking
C. spoken; English-speaking
D. speaking; English-speaking
答案：
A. spoken; English-spoken
B. speaking; English-speaking
(答案→)C. spoken; English-speaking
D. speaking; English-speaking
解析： 略
