Answer: (2) por esto (3) despacio (7) probablemente
Explanation: "Muy" in Spanish is an adverb that must be follow either by an adjective or by another adverb. In blank number 3, you need an adjective after "muy", in this case "muy despacio" because the food must be eaten slowly, chewing it many times. In blank number 7, you need an adverb after "muy", in this case "muy probablemente" because there is a verb after this phrase, which reads "it is most probably that you will feel better" (if you follow the previous advice). I would also say that in blank 2, the correct answer is "por esto" (because of this), as the sentence is indicating a result: because of this, it is important to intake natural food." The rest is correct.
If your looking for your sentence to say, "I'm not honest" then yes it should be <3
1. Piensas
2. Prefiero
3. Quiero
4. Pensamos, queremos
5. Prefieren
6. Quiere, quieres
7. Piensan
8. True
