TOEFL Structure Explanations
All questions and explanation were written by Erin Billy and are copyright Erin Billy.
Original TestMagic Question
230. The function of a biologist is both to describe organisms in minute detail also to understand why they behave as they do.
The best answer is C. We should change also to and.
This question tests you on your knowledge of conjunctions. The correct conjunction to use here is both... and...
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