Farm work is very difficult, for the endless hours spent making sure the crops are completely waters plowed and shipping them it can be a very difficult process.
1:para 2:por 3:por 4:para 5:por 6:por
Answer:
las clases difíciles
Explanation:
Add an <em>-s</em> to <em>clase</em>, and add an <em>-es</em> to <em>difícil</em> because adjectives have to match the plurality of the word they describe.