"to beat around the bush" A) to avoid talking about something / B) to take a long time do something / C) to show disagreement about something
A) to avoid talking about something
"to speak of the devil" A) to have an uncomfortable conversation / B) the person who you were talking about unexpectedly arrives / C) to talk about a person you don't like
B) the person who you were talking about unexpectedly arrives
"to give the green light" A) to allow something / B) to prohibit something / C) to like something
A) to allow something