The common noun here is "frog" as the only other noun, Many, is not a common noun - it's a proper noun.
"frog" here is the object of the sentence: it's the object of the verb "caught" of which the subject is Mary
B. With that one move, he__Affected ___ the entire
The answer to this would be teach
“Teach is how to show our dog”
C. I took this test before. Don't sweat it! As long as you read, and maybe have the book with you to help! I hope you do great!
Recover could replace salvage