The researchers found clear and convincing evidence ________ happiness is the key when it comes to better health and longer lives.
The boy __________about at the meeting won the first prize in the English competition.
___________________, but he still couldn’t understand what I meant.
Not until he took off his dark glasses ___________ he was a famous film star.
Having weekly meals together _______ to be helpful in bringing the family together.
The _______ look in her face suggested that she ________ it before.