YOU SAID:

"In which party does he join"

INTO JAPANESE

「彼はどの政党に入党しますか」

BACK INTO ENGLISH

“Which party will he join?”

INTO JAPANESE

「彼はどのパーティーに参加しますか？」

BACK INTO ENGLISH

“Which party will he be attending?”

INTO JAPANESE

「彼はどのパーティーに参加しますか？」

BACK INTO ENGLISH

“Which party will he be attending?”