Im glad that you had a great day
Answer:
c
Explanation:
Its hard to explain im sorry
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>
He made the basketball team I think is the correct one.