For which type of writing is formal language most commonly used?

A Family text messages
B Personal letters
C Work place emails
D Fictional stories

C Work place emails

Formal language is most commonly used for workplace emails.

For this type of question, you can generally use your knowledge or experience to think about which type of writing typically requires a more formal language. However, if you're unsure or want to validate your answer, you can also do some research. Here's how you can go about finding the answer:

1. **Research online:** Use search engines like Google or Bing to find reliable sources that discuss the use of formal language in different types of writing. Look for articles or websites that focus on writing styles or language usage.

2. **Navigate to trustworthy sources:** Choose reputable sources such as educational institutions, writing style guides, or language-related websites to get reliable information. These sources usually provide well-researched content.

3. **Analyze the information:** Look for information that specifically addresses which type of writing typically uses formal language. Pay attention to any examples or explanations given to support the answer.

In this case, based on general knowledge and common writing practices, we can see that formal language is most commonly used in workplace emails (option C). Workplaces usually require professional communication, which includes using formal language to convey a respectful and professional tone. However, it's always a good idea to validate your answer by conducting some research or consulting reliable sources.