he was mad atin the English exam.A.failing B.fail C.dropping D.lose

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he was mad atin the English exam.A.failing B.fail C.dropping D.lose

he was mad atin the English exam.A.failing B.fail C.dropping D.lose
he was mad atin the English exam.A.failing B.fail C.dropping D.lose

he was mad atin the English exam.A.failing B.fail C.dropping D.lose
A.failing 不及格 用fail

A.was都是fail动词不能用在一起。但failing加ing后就名词化了。这是过去进行时态。

不及格 用fail, at是介词,加v-ing