SAT Reading & Writing · Form, Structure, and Sense

The exhibit's centerpiece is a set of tools whose age and craftsmanship ______ remarkable for the period in which they were made.

The exhibit's centerpiece is a set of tools whose age and craftsmanship ______ remarkable for the period in which they were made.

Which choice completes the text so that it conforms to the conventions of Standard English?

Answer and explanation

Answer: C: are

The subject of the verb is "age and craftsmanship," a compound subject joined by "and," which functions as plural, calling for the plural verb *are*. *Is* and *was* are both singular and don't agree with this compound plural subject. *Has been* is also singular and additionally shifts to present perfect without any signal in the sentence for that change in tense.

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