Answer: swam
Explanation:
Assuming it's past tense, swam would be grammatically correct.
Formal language is also called "proper language" because it is the type of language you would use when first meeting someone or giving a speech at a high class place so the correct answer is:
<span>B) Have I convinced you that the study of grammar is important and well worth your effort? </span>
Millions of people in America buy fireworks and wait until night to light up the sky with colors.
Basically say How are they describing the characters feelings and how are they putting that into the storyline