问题
选择题
It is very important for young people to learn ______ useful foreign language today. I agree. [ ]
A. a
B. an
C. the
D. 不填
答案
答案：A
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It is very important for young people to learn ______ useful foreign language today. I agree. [ ]
A. a
B. an
C. the
D. 不填
答案：A