no
No, "amazingly" is not a preposition. It is an adverb that is used to modify a verb, adjective, or another adverb by expressing a high level of surprise, wonder, or admiration.
It can be used as a noun, adjective, adverb, or preposition. As an adjective or adverb, it indicates a nonspecific location. As a preposition, it means "within".
No. The word "that" is not ever a preposition. It is only an adverb when it modifies an adjective or adverb (that tall, that badly) and means to some extent.
"They" is a pronoun that is used to refer to a group of people or things. It is not a preposition, adverb, or adjective.
No, "sadly" is not a preposition. It is an adverb that is used to modify a verb, adjective, or another adverb to express sadness or regret. Prepositions are words that show the relationship between a noun or pronoun and another word in a sentence.
Along can be used as a preposition and an adverb but not as an adjective.
Well actually it can be used as an adverb AND a preposition! :)
No, "even" is not a preposition. It is an adverb or an adjective used to emphasize something.
Adverbs are used to describe or modify a verb, an adjective, or another adverb.
Yes it is a preposition. It is also used as an adverb and less frequently as a noun.
Yes, it can be. But it can also be an adverb (walking about) or possibly an adjective (up and about).
No. The word that can be used as an adjective, pronoun, or an adverb.