2. 外语
  3. It is important that an undergraduate______a grade point average of B in his major field.

It is important that an undergraduate______a grade point average of B in his major field.

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问题 It is important that an undergraduate______a grade point average of B in his major field.
选项 A、maintains
B、maintain
C、will maintain
D、shall maintain
答案B
解析 “It is important that”后使用虚拟语气，即动词原形。故正确答案为B。
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