You can’t _____ until tomorrow morning after the blood examination.
It was in the garden of his old house ______ he grew up ______ he dug up a pot of gold.
The athlete’s years of hard training ______ when she finally won the Olympic gold medal.
Leave your key with your neighbor _you lock yourself out one day.
You should report any incident, ______ minor it is.
Edison was a clever boy, and ______ he was fourteen, he had learned advance mathematics by himself.