A, An - Beside, Besides

Correct the mistake: The missing keys were nowheres to be found.

The special effects/affects in the movie were amazing!

An/a unexpected visitor rang the door bell, interrupting their game of chess.

My cold effected/affected my mood.

__ energetic drummer in __ white uniform led the parade.

Basma’s new kitten follows her everywheres/everywhere.

Correct the mistake: The cat curled up besides the fireplace.

Sometimes I don’t know where my pens are/are at.

Correct the mistake: Before the guests arrive, dust the living room, set the table, arrange the flowers and etc.