Capitalize "Y" in you since it is the start of a statement
Answer:a. For screaming
B.at 129 decibels , by a pneumatic drill
C. By nine gigantic bulls
Explanation:
Example of prepositions: to, at, for, by, in front of, between, under,over, behind, on
A is the correct answer because a prepositional phrase is telling where something is located. so a is saying that the envelope is in the drawer.