Students completed assignments on time.
Meaning: This sentence describes one of the students' responsibilities, which is to complete their assignments on time.
Choice of Words: Students are people who are studying at a school or university. Completed means to finish something. Assignments are tasks or pieces of work that are given to students to do. On time means at the right time or before the deadline. When you put them together, "Students completed assignments on time" means that the students finished their tasks or pieces of work before the deadline.
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Related Expressions