作业帮one out of.One out of every twenty students____dropped from the course each term.A.is B.are请问,这里为什么是A呢.
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one out of.One out of every twenty students____dropped from the course each term.A.is B.are请问,这里为什么是A呢.
one out of.
One out of every twenty students____dropped from the course each term.
A.is B.are
请问,这里为什么是A呢.
one out of.One out of every twenty students____dropped from the course each term.A.is B.are请问,这里为什么是A呢.
主语是"ONE OUT OF EVERY TWENTY SS" 每20个学生当中有一个,表示一个学生怎么怎么样,是单数
因为这里的中心词是one
所以用单数
one out of是几分之一 是单数不是复数，所以选A