Question dr-roc
Dr. Rocío Paola Caballero-Gill is a paleoceanographer. This means that Dr. Caballero-Gill doesn’t just study oceans as they are today. She uses chemistry and fossil evidence blank oceans as they were in the past.
Which choice completes the text so that it conforms to the conventions of Standard English?
has studied
to study
studied
studies
Dr. Rocío Paola Caballero-Gill is a paleoceanographer. This means that Dr. Caballero-Gill doesn’t just
Easy-difficulty · SAT Reading & Writing · Boundaries — Coordination vs subordination for clarity. Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.
Answer explanation
Choice B is the best answer. The convention being tested is the use of verb forms within a sentence. The nonfinite to-infinitive verb “to study” is correctly used to form a subordinate clause that indies what Dr. Caballero-Gill uses chemistry and fossil evidence for (to study oceans as they were in the past).
Choice A is incorrect because it results in an ungrammatical sentence. The finite verb “has studied” can’t be used in this way to form a subordinate clause that indies what Dr. Caballero-Gill uses the evidence for. Choice C is incorrect because it results in an ungrammatical sentence. The finite verb “studied” can’t be used in this way to form a subordinate clause that indies what Dr. Caballero-Gill uses the evidence for. Choice D is incorrect because it results in an ungrammatical sentence. The finite verb “studies” can’t be used in this way to form a subordinate clause that indies what Dr. Caballero-Gill uses the evidence for.
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