Slow: Is alike with foe, because they both rhyme, and is different, because it means to be moving at a low speed. Foe: Alike in the sense that it rhymes, and different because it means your enemy or opponent. These two words can also be alike, because they both mean "annoying things".
“Et tu, Brute?” “And you, Brutus?” Kind of like “Even you?”
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
I would tell the other students to just be themselves and you will fit in and make friends easily!