The day of my sister's marriage is drawing near'. The underlined word is a/an -

The boy writes well. Here well is a/an A burnt child dreads the fire. Here 'burnt' is a/an- He runs fast, here 'fast' is ..... Which 'better' is an adverb? 'Man cannot live alone'. The word 'alone' is used here as- Down went the Titanic. The word 'down' is- The adjective took place long ago. Here the word 'ago' is a/an- The bird flew high. Here, the word 'high' is a/an- Suddenly one of the wheels came off, এখানে off শব্দটি- Which one of the following is an adverb ?