The book that I am reading is fantastic?
The book that I am reading is fantastic. A ? The pronoun is necessary. B ? The pronoun isn't necessary.
The book that I am reading is fantastic. A ? The pronoun is necessary. B ? The pronoun isn't necessary.
En resumen
A. The pronoun is necessary.
A. The pronoun is necessary.
It’s necessary because if you don’t use it the sentence makes no sense.