All you really need to do is share your opinion. A great way to help with questions like this is to simplify the question. Just simply ask yourself what is this question asking me. You would basically simplify this question down to. Do you think that failure is a good teacher? Why or why not? If you answer that question you will have the correct response for this question.
Answer:
TPRS (Teaching Proficiency through Reading and Storytelling) is an input-based approach to teaching language that focuses on the systematic instruction of vocabulary in a highly comprehensible, personalized and contextualized manner.
3.7 is past tense so pasado and 3.8 is present tense so presente
The answer is, estuvieron
:)
