2. 外语
  3. His mathematics______good in our class.

His mathematics______good in our class.

admin2013-06-19  58
问题 His mathematics______good in our class.
选项 A、is
B、are
C、being
D、be
答案B
解析 名词。-s结尾的mathematics表示“学科”时为单数形式，表示“计算，运算(能力)”时为复数形式。
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