To prepare for the rigorous exam, _________
Which choice completes the text so that it conforms to the conventions of Standard English?
the library became the student's second home.
the student spent every evening in the library.
spending every evening in the library was necessary for the student.
it was necessary for the student to spend every evening in the library.
Correct Answer: B
Choice B is the best answer. The introductory phrase "To prepare for the rigorous exam" describes a person's goal. "The student" is the correct subject.
Choice A is incorrect because "the library" is not preparing for an exam. Choice C is incorrect because "spending every evening" is not preparing for the exam. Choice D is incorrect because "it" is not preparing for the exam.