An article is wrongly used here. Find the word

Find the exact word which means ‘that happens now and then’

The word which means ‘innocent’ is

This is the………..news. Use the correct adjective

There was a big crowd………the market

Use the correct preposition

അധ്വാനിക്കാതെ നേട്ടമില്ല എന്നർഥം വരുന്ന ഒരു പഴഞ്ചൊല്ല്