Hi Paulina,

Once you've started a practice test or timed mini-quiz, there is not a way to pause the test and come back to it later---the quiz has to be completed in one sitting.

However, for the full length practice tests, it isn't necessary to complete all of the sections of the practice tests in one sitting. You can complete the first section and then complete the section section the next day (or any other time). However, once you've started the first section, you can't pause and come back to it later.

Hope this helps! Please let me know if you have any additional questions!