All the sentences are commands for maintaining a healthy life, so in this matter the verbs have to be conjugated in the<em> imperative form</em>.
Now, the correct answers to the blanks are:
(4) "<em>Acompaña</em>" that means "Go with somebody" or "Join".
(5) "<em>Compra</em>" that means "Buy".
(6) "<em>Repara</em>" that means "Realize".
(7) "<em>Reconoce</em>" that means "<em>Aknowledge</em>".
All the sentences are connected, so the paragraph make sense relating them altogether. So, in order to be healthier: (4) you have to go with<em> </em><em>your parents to the supermarket</em>, (5) so you can buy <em>the healthier products in the market</em>. (6) You have to realize <em>the calories your body needs</em> (7) so you can aknowledge <em>what to buy each week.</em>