〇〇 is due tomorrow. Can you pick it up today and hand it in by tomorrow?
〇〇 has to be completed by tomorrow. Could you come get it today and pass it in by the end of the day tomorrow?
この場合、次のような言い方ができますよ。
ー〇〇 is due tomorrow. Can you pick it up today and hand it in by tomorrow?
「〇〇は明日が期限だけど、今日取りに来て明日までに提出できますか？」
due「提出期日の来た」
to hand in「提出する」
ー〇〇 has to be completed by tomorrow. Could you come get it today and pass it in by the end of the day tomorrow?
「〇〇は明日までに仕上がってなければいけません。今日取りに来て、明日の終わりまでに提出できますか？」
to be completed「仕上がっている・完了している」
to pass in「提出する」
ご参考まで！
カナダ 
