Pre-Test: Of the more than 7,000 newspapers operating in the U.S. today, most areMultiple Choicedailies.monthlies.weeklies.semiweeklies.

To determine the most common type of newspaper among the more than 7,000 newspapers operating in the U.S., let's analyze the options provided:

1. Daily Newspapers: These are published every day and are quite common in urban areas. They often have significant readership and advertising revenue.

2. Monthly Newspapers: These publications come out once a month and tend to focus on specific niche topics or communities. They are less common than dailies.

3. Weekly Newspapers: These are published once a week, covering local news and events. This format is quite prevalent, especially in smaller towns and cities.

4. Semiweekly Newspapers: These are published two times a week, which is less common compared to the other types of newspapers.

Common Analysis

Considering the frequency and prevalence of different types of newspapers, weekly newspapers are generally more numerous than daily newspapers. They serve local communities and provide relevant content on a regular basis without the intensive demand of daily production.

Conclusion

Based on this analysis, the answer to the question is that most newspapers operating in the U.S. today are weeklies.