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I would like to request that Mike ________ from school on account of his illness.
A、was excused
B、is excused
C、be excused
D、has been excused
【正确答案】：C
【题目解析】：request后面的宾语从句需要用虚拟语气，从句谓语用should+动词原形的形式，should可以省略。