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.