Repeating the word(s) over and over, writing them and listening to them.
If it's a specific sentence, you can record yourself saying it and repeat it.
As for learning Spanish in general, try doing all those things I said before AND listening to movies in Spanish with subtitles.
Good luck!
The answer would be
Es necesario “estar” cerca de la costa.
Answer:
Cepíllate (tú, informal)
Cepíllese (usted, formal)
Cepíllense (ustedes)
Explanation:
The answer for 23 is that in the spanish speaking world they make fresh waters like orchata or agua de limon meanwhile in the united states they drink soft drinks like soda.This is just from personal knowledge