【悲報】えワさん、また珍回答のレパートリーを増やしてしまう

Jason had a Japanese exchange student stay with his family.
えワ「stayは名詞」
正解は使役動詞have＋目的語＋原形不定詞

It is valid, except as he comes.
えワ「exceptは動詞」
正解は前置詞