If your noun ends in "-0," it is USUALLY singular and

the answer for the first question is:

he doesn't want to be touching other peoples mouths all day.

reason: no quiero estar siempre tocando las bocas de otras personas.

translation: he doesn't want to be touching other peoples mouths all day.

next question,

answer: luck

reason: hay que tener suerte.

translation : you need to be lucky.

next question,

answer: lawyer and architect

reason: se abogado seria bueno and me gusta la idea de construir cosas.

translation : abogado- lawyer construir - architect

last question,

answer: he asks what do you think about your future.

reason : que piensas de tu futuro?

translation: what do you think about your future?

i am a latina myself, so this is really easy.

i hope this : )

a. practice makes perfect right?

b.i don't think that's a good choice

c.hmm..are you sure about that

d. that shows how immature that person really is

answer ..a

~hope this ~