Question

my sister _______(EAT) a hamburguer

were eating
eats
was eating​

Answer 1

Respuesta:

My sister was eating a hamburger.

La correcta es la última.

Answer 2

Respuesta:

was eating

Explicación:

my sister was eating a hamburguer

we will use was eating because were isn't suppose to be use in the sentence we will use were if it's plural not singular

Example:

Me and miles were eating