People who were enjoying the match cheered enthusiastically. Here 'enthusiastically; is a/an -

• Adverb- যেসব word noun বা pronoun ব্যতীত অন্য যেকোনো parts of speech, বিশেষ করে verb কে modify করে সেগুলোকে Adverb বলে।- এখানে 'enthusiastically' শব্দটি verb, cheered কে modify করছে বিধায় এটি Adverb/ Adverb of Manner.• Adverb of manner:- An adverb of manner is an adverb (such as quickly or slowly) that describes how and in what way an action, denoted by a verb, is carried out.- These adverbs are also called manner adverbs or manner adverbials. i.e. They dress elegantly. - প্রদত্ত প্রশ্নে, People রা কিভাবে cheer করছে এটা বর্নিত হয়েছে, তাই এটি হচ্ছে Adverb of Manner.