The answer would be “La clase es muy interesante”. Está (estar) is typically used when something is not permanent but, in this sentence you are trying to say that the class is interesting in general meaning all the time therefore you would use ser to show the permanece of the fact that the class is interesting.
4_. Oímos
5_. Creemos
6_. Oí
Answer: Estas
Tu estas planchando la ropa
Hay dos ventanas Is the correct answer. Leave a like !
