one part in every hundred, percentage
误 Fifty percent of my task have been done.
正 Fifty percent of my task has been done.
误 Thirty percent of the students in our class is girl.
正 Thirty percent of the students in our class are girls.
析 percent of+ n. 作主语时,谓语动词应与该名词的数一致。
误 Twenty percents were dropped in the examination.
正 Twenty percent were dropped in the examination.
析 percent作“每百,百分之…”解,只能用于单数形式。
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海词词典,十七年品牌