Is this sentence correct? THERE IS a frog in the box! (Essa frase está correta?)

Choose the correct picture. I Love ART class. (Escolha a imagem correta)

Choose the correct picture. I Love HISTORY class. (Escolha a imagem correta)

Choose the correct picture. I Love PHYSICAL EDUCATION class. (Escolha a imagem correta)

Choose the MUSIC class! (Escolha a MUSIC class)

What class is this?

What class is this?

THERE IS A FROG IN THE BOX. This sentence is...

IS THERE A FROG IN THE BOX? This sentence is...

THERE IS NOT A FROG IN THE BOX! This sentence is...

Choose the correct!

Choose the FALSE sentence!