關於英文的..只係小學英文.. (10分)

The opposite word of those vocabularies:

tidily---->untidily
properly---->imporperly
quietly----->loudly
politely----->impolitely
carefully----->carelessly

Preposition is something before noun to link it together or group with verbs and nouns, for example, "I look for my watch.,"The schoolbag with sun-flowered pattern is mine."

In this two sentences, "for" and "with" are prepositions.