5. Parking is a _____ problem for students at the university, and finding a parking space can be virtually impossible.largeimportantseriouslymajor

The sentence is asking you to fill in the blank with the most appropriate word. The options are: large, important, seriously, major.

Step 1: Understand the context of the sentence. The sentence is talking about a problem related to parking for students at the university.

Step 2: Evaluate each option in the context of the sentence.

• "Large problem" could work, but it's not the most specific or impactful word to describe the issue.
• "Important problem" also could work, but it doesn't convey the severity or urgency of the problem.
• "Seriously problem" is grammatically incorrect, so we can eliminate this option.
• "Major problem" seems to fit best. It conveys that the problem is significant and widespread.

Step 3: Choose the most appropriate word. In this case, "major" is the best fit.

So, the completed sentence is: "Parking is a major problem for students at the university, and finding a parking space can be virtually impossible."