Question

Hey I'm not really asking a question I Justin want to see if My answers are Right. My answers will have This () and since I can't post it all at once I'll be posting two or three.

1, Which part of speech is not appropriate in formal writing, but often used in daily conversation?

A. Preposition
B. Conjunction
(C. Interjection)
D. Adverb

2, In the following sentence, identify the part of speech of the italicized word.
Thousands of years ago, fish were caught in nets and traps.

A. Preposition
(B. Conjunction)
C. Linking verb
D. Pronoun