Giúp mikkkkkk 21. Unless he finishes his work on time, he will face consequences. If .. 22. If she doesn't pay attention, she will miss important details. Unless . 23. If it doesn't stop raining, the picnic will be canceled. Unless . 24. If you don't exercise regularly, you will lose muscle mass. Unless . 25. Unless they fix the problem, the website will continue to crash. If . 26. Unless you water the plants regularly, they will die. If .. 27. I won't lend you my car unless you promise to drive carefully. If .. 28. Unless we find a solution, the project will be a failure. If ... 29. If he doesn't clean his room, it will become a mess. Unless . 30. If they aren't careful with their spending, they will run out of money. Unless