Question

1- change into interrogative form

a. she is a beautiful.

b. he is my favorite friend.

c. you are my idol.

d. they are my brothers.

e. i am a student.

f. it is an animal.

g. we are the champion.

Answer 1

Boa tarde.

a) IS She a beautiful?
b) IS he my favorite friend?
c) Are you my idol?
d) Are They my brothers?
e) AM i a student?
f) IS It an animal?
g) Are we the Champion?

Answer 2

a. Is she beautiful?
b. Is He my favorite friend?
c. Are you my idol?
d. Are They my brothers?
e. Am I a student?
f. Is It an animal?
g. Are We the champions?

Para mudar uma frase afirmativa para interrogativa basta, apenas, trocar de lugar o pronome por seu respectivo "to be"

He is na afirmativa ficará Is He na interrogativa e assim por diante.
Espero ter ajudado!