Question

Proofread the sentences. Which word is spelled incorrectly?

In the vestibule below was a letter-box into which no letter would go, and an electric button from which no mortal finger could coax a ring.

It was well perhaps that life thus early gave me a hint of one of her most obstenate and insoluble riddles.

His arguments are well thought-out and almost irrefutable, and he comes up with them instantaneously.

Secret operations of government espionage go back to the beginnings of the United States.
A.) Vestibule
B.) obstenate
C.) instantaneously.
D.) espionage

Answer 1

hey dear friend here's ur answer :-)

The spelling of (B) that you have used 'obstenate' but the original spelling is "obstinate"

hope it helps

Answer 2

After proofreading, a sentence which is spelled incorrectly is B.) obstenate.

The correct spelling would be obstinate.

Obstinate refers to being stubborn in order to change one's course of action or opinion despite being persuaded. Synonyms to obstinate are: unbending, stubborn, inflexible and so forth.