When to use "In" and "Of"?
"She’s the best student ___ the class."
"The color ___ the sky is so beautiful today."
Hello!
"She’s the best student ___ the class." Correct: in (She’s within the class).
When referring to someone being a part of a group or a specific location, you use "in." In this case, the student is within the group (the class)
"The color ___ the sky is so beautiful today." Correct: of (The color belongs to the sky).
"Of" is used when you are showing a relationship or describing something that belongs to or is a characteristic of something else. Here, the color belongs to or is a feature of the sky.
Hope this helps!