单项填空;从A、B、C和D四个选项中,选出可以填入空白处的最佳选

单项填空;从ABCD四个选项中,选出可以填入空白处的最佳选项。

— Is David          honest and organized boy?

  — Yes, that is why he was chosen to be the president of the Students’ Union.

     A. a                             B. an                            C. the                           D. /

答案

B

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