1. escoge la forma correcta del verbo gustar con el pronombre correcto.
a mí las clases de matemáticas
a)
me gustan
b)
me gusta
c)
me gusto
d)
me gustas
2. escoge la respuesta correcta.
a ti tres días. (you have three days left.)
a)
se queda
b)
te quedan
c)
te quedas
d)
le quedan

1. B, Because since your talking about how you like the math class you would use me and the yo form of guitar because it is grammatically incorrect and it doesn't flow right with the rest of the sentence. 
2.C, because you would have to conjugate quedar  to the you form and you would have to find the right word that means you which is te 

B) hay que
i’m a spanish native speaker hopes this you : )