English Translation
Don’t put your elbows on the table.
テーブルにひじを{{ついては}}いけません。seems to be an odd cloze-word. は is a particle and Clozemaster usually doesn’t include particle in a cloze-word.
Also, ひじ in Hiragana should be replaced with 肘 in Kanji. 肘 is listed on 常用漢字表.