¿qué no es necesario hacer para tener una comunidad limpia?
a. limpiar los ríos
b. tener una experiencia inolvidable
d. recoger la basura

I'd say it's B, because you dont need a unforgettable experience to maintain a clean community 

The correct is B it means you'll have a unforgettable experience

Good service and great quality food.( buen servicio y comida de gran calidad ).

Lesson 7 structure | 7.4 verbs like like page 247 try it! complete with the indirect object pronoun and the present tense form appropriate in each sentence. grammar presentation show me how to complete and submit recording activities assigned: due fri, oct 20, 2017 11: 59 pm eastern time you have 2 attempts to complete this activity. answers require correct use of: accents capitalization punctuation sound is currently on. click to mute fascinate model he loves to travel. to dance to sing to us to you read. you run and skate. to them the planes. to my parents to walk. to you play tennis to my husband and me to sleep. to alberto to draw and paint. to all think. to pili the hats. bored model they are bored sports. to you the movies. to you the trips. to me the magazines. jorge and luis the dogs. to us the holidays. to you baseball. to marcela the books. to my friends the museums. to her cycling. to go shopping. you and me dance. [? ] a | a