Is it impossible to learn English?

In my opinion it isn't impossible to learn English but it is more difficult for me because in my country people only speak Spanish, so I don't have oportunity to practice the language. I only study in class for three hours a week. I'm so happy to practice the language with the help of native speakers and making friends too.

Is it impossible to learn English?

In my opinion,  isn't It is not impossible to learn English [This style is answering the question from your title.  It is always better to avoid double negatives except for emphasizing and rhetoric.  "It is possible to learn English']but is more difficult for me because I live in my a country where only Spanish is spokenspeak spanish. I don't have the oportunity to practice English orally the language [Here "the language" refers to Spanish in the sentence structures but context tells you that it is English.  Can be quite puzzling at the first glance.  So it is better to say precisely to avoid such fleeting confusion]. I only study en English in class for three hours at week. I'm so will be very happy to practise [as a noun it is spelt with a 'c'.  As a verb, it is an 's'] the language [understood] with the help of native speakers and able to meeting friends too.

Is it impossible to learn English?

In my opinion, it isn't impossible to learn English but it is more difficult for me, because, in my country, we only speak spanish. I don't have opportunities to practice this language. I only study in class for three hours at week. I'll be so happy to practice this language, with the help of native speakers and in the process, making friends too.