Combining sentences with and, but, and because

Front

I couldn't go to Homecoming because I was grounded.
Options: add a comma after Homecoming, add a comma after because , No comma needed

Back

No comma needed

Front

Where should a comma be added in the sentence: "Josh is a cat lover but I don't really like them."? Options: add a comma after but, add a comma after lover, no comma needed.

Back

add a comma after lover

Front

Where should a comma be added in the sentence: "Caleb was running in athletics and he tripped and sprained his ankle."?

Back

Add a comma after athletics.

Front

Where should a comma be added in the sentence: 'Because my character lives in a world with elves and unicorns I cannot relate to her.'?

Back

Add a comma after unicorns

Front

How are these two clauses best combined into one sentence? I was late to class. Because my mom overslept.

Back

I was late to class because my mom overslept.

Front

Sometimes I just want to go home and sleep.

Back

no comma needed

Front

What is the best way to combine the following clauses? Lena does not get along with her sister. And I fight with my brother all the time.

Back

Lena does not get along with her sister, and I fight with my brother all the time.

Front

Is there any punctuation error in the sentence: We went to the fair and rode all the rides.

Back

no change needed

Front

I want to do better in math but it is too hard and I cannot seem to concentrate.

Back

I want to do better in math, but it is too hard, and I cannot seem to concentrate.