all the sentences below help you to say you don't have enough /have no more time: - I have no more time to go over the text. - no more time left to do the exercise. - I am in lack of time. - I am running short of time - Due to lack of time i will skip this test.

There isn't enough time for that.

Hurry up! We're running out of time. I don't have enough time to complete this test. It's too late! We're out of time. I don't have time to help you right now. Time's up! Put your pencils down and turn in your paper. I'm busy. I can't take the time to explain it to you.