申请必须在1月1日之前提交。

Applications must be ___submitted before January 1st.

开发者向议会提交了建筑计划以供批准。

The developers ___submitted building plans to the council for approval.

根据我的朋友和教授们说，我很努力，从不耽误提交论文。

According to my friends and professors, I am hardworking and never fail to ___submit my essays on time.