Look, so many people are running out of the station. I wonder what ________.

Lucy has a great sense of humor and always keeps hercolleagueswith her stories.

Everyone knows that ______ is dangerous to play with fire, but ______ is difficult is to prevent children from playing with fire.

Fortunately, someone who happened to be passing by called the fire department ________the fire broke out

I am _______ about what I say because careless remarks are likely to hurt others’ feelings.