问题补充:
English now is also spoken as foreign or second language in South Asia.
A. a; 不填
B. the; 不填
C. the; the
D. a; the
答案:
(答案→)A. a; 不填
B. the; 不填
C. the; the
D. a; the
解析:南亚也将英语作为外语或第二语言在使用。language是可数名词,英语只是众多语言之一。故填不定冠词;South Asia是专有名词,故填零冠词。答案为A。