Sitting at the back of the room but in front of some old men and women ______ a very shy girl with two bright eyes.
It was in the garden of his old house ______ he grew up ______ he dug up a pot of gold.
A ______ person always tries to finish the job, no matter how hard it is.
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.