____time goes by, Mother’s hair is turning gray and the wrinkles on her face deeper.
Bad habits, _______ formed, are difficult, and sometimes impossible to shake off.
I will never know what was on his mind at the time, nor will _______.
A small plane crashed into a hillside five miles east of the city, _______ all four people on board.
—Jenny, it won’t be long before I receive the admission letter from Oxford University. —_______
In my opinion, everyone has periods in their lives _______ everything seems very hard.