The correct or appropriate form of the adverb is given in option (b) or (ii): "Skyscrapers today are built more quickly than before."
What is the correct form of adverb?
The correct form of adverb will have a suffix of "ly" to an adjective. In this given options, there is a mention of "quickly" in option (b) or (ii)
As a result, the remaining options are incorrect as they have mentioned quiclier, quicker, and quiclier again, which are not even a word in common.
Therefore, option (b) is the correct form of answer.
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https://brainly.com/question/1134711
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