题干

-- English is widely used all over the country.    

-- Yeah, it is such ______ useful language that my grandma decided to buy ______ English-Chinese dictionary to learn it.

A:an; an

B:an; a

C:a; a

D:a; an

上一题 下一题 0.0难度 选择题 更新时间:2017-07-25 05:05:50

答案(点此获取答案解析)

D