somebody have cleaned the classroom already哪里错了希望能给我讲清楚,嘻嘻

问题描述:

somebody have cleaned the classroom already哪里错了
希望能给我讲清楚,嘻嘻

have---has,someboday要用单数

have改成has
somebody、anybody等不定代词的谓语要用单三.