Las drogas causan daños irreparables pero también se usan para bien, se usan en medicinas para curar algunas enfermedades.
The answer is B, podia.
The sentence means:
Two years ago, I couldn't swim, but now I can.
The word that best fit in the sentence was podia, which means couldn't.
Glad to help :-)
Ok for this you have to describe them and just write it in English and use google translate
Answer:
The correct answer is B: He was poor and wrote Don Quixote while in prison.
