IV. Find and correct a mistake in each sentence
<!--[if !supportLists]-->15. <!--[endif]-->Don/t hate people because it can make you tiring
<!--[if !supportLists]-->16. <!--[endif]-->We do more morning exercises so that we can stay healthily
<!--[if !supportLists]-->17. <!--[endif]-->My grandparents grow a lot of vegetables because we don/t have to buy vegetables in the market.
<!--[if !supportLists]-->18. <!--[endif]-->Looking at the screen for too long hurts your eyes.
<!--[if !supportLists]-->19. <!--[endif]-->If you eat less calories, you will become tired and weak.
<!--[if !supportLists]-->20. <!--[endif]-->Stop to eat too much candy or you will have toothache.