who play football?和who plays football?哪一个对,需要联系上下文吗?

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who play football?和who plays football?哪一个对,需要联系上下文吗?
who play football?和who plays football?哪一个对,需要联系上下文吗?

who play football?和who plays football?哪一个对,需要联系上下文吗?
who plays football?对,因为who指代不明时,表示单三,所以play需变单三加s,——plays

Who plays football?
默认主语为第三人称单数,不需要语境

who plays football对
需要联系上下文吗?;不需要

who play football?正确

plays
who后面动词用第三人称单数

who plays football?
疑问词作主语的话,通常视为第三人称单数

who plays football?对

都对。 着看语境,要联系上下文。第一个没加s说的是多于两者,后面一个是单数,指的是一个人。