According to the prefix “sub-”, which of the following words defines “subterranean”

The prefix that implies duplication when attached to a root word is "re-." For example, "redo" means to do again, indicating duplication of the action.

Proofreading involves looking for and correcting spelling errors in a text.

B is punctuated correctly because it uses the comma correctly to separate the introductory clause from the main clause.

The prefix "Post-" signifies something that comes after or follows in a sequence.

The word "biblio" refers to books, and "phile" means someone who has a fondness or love for something. Therefore, a "bibliophile" is someone who loves books.

"Similarly" is used to indicate that something is done in a similar manner or order to what was just mentioned, which implies a sequence or continuation of ideas.

Similarly is a transitional expression that is used to show sequence.

The word "Consequently" should be used to show cause and effect as it indicates a logical result or consequence of a previous action or event.

“clown" is the object of the preposition in the sentence. The preposition "at" shows the relationship between "Martha" and "the clown," indicating that "the clown" is the object of Martha's laughter.

The correct choice isChoice B: “The boys and girl visit my house.”

This sentence is correctly punctuated and uses the correct verb form to agree with the plural subject “boys and girl”.