Question

Lauren ____ over her study books to ensure she would get a good grade in her exam.

Answer 1

This question is testing on phrasal verbs.

We need a phrasal verb to complete the sentence meaningfully.

The phrasal verb should bring the meaning of revision or rather reading.

The word that well completes the sentence is :

Went over

This is the past tense of go over

Go over means to study

The gap is therefore filled with went.

Answer 2

If you want good grades in college should be must attend every class and importance of regular class attendance should be attendance cannot be overemphasized.

In fact, the you miss lectures, assignments, discussions, explanations and missing a class won't make a difference as well as smart not hard' is a cliché.