Answer:
Doña María está de vacaciones en la playa, ella está tomando sol en su toalla mientras los niños están jugando en el agua, uno de los niños se fué muy hondo y se está ahogando, el esposo de doña María va nadando rápidamente a ayudarlo, afortunadamente lo sacaron del agua y está bien, solo se llevaron un susto.
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Doña María is on vacation at the beach, she is sunbathing on her towel while the children are playing in the water, one of the children went very deep and is drowning, Doña María's husband is swimming quickly to help him, afortunely they took him out the water and he's fine, they just had a scare.
The answer is letter A, correct.
The sentence Tenemos ganas de vivir en España have a correct grammar which make it correct.
Ellos la quieren vender una casa.
la mochila is the answer to your question
1) conoces (tú)
2) sabemos (nosotros)
3) conocen (ustedes)
4) sabe (él o ella)
5) conozco (yo)
6) conocemos (we)
7) sabe (él o ella)
8) conoce (él o ella)
(conocer means to be acquainted with something like a person, book, city, movie, etc)
(saber means to know a fact or you learned a certain skill. you could be talking about knowing the answers, how to play a sport, etc)
reason why is in parentheses, you don't have to write these down but i would like to let you know why these are correct :)