People in the west make ____ a rule to buy Christmas presents for their relatives and friends.
The police ______ his address and phone number in order to do further investigation.
Tom was __________ a happy childhood, ______ most people would like to have.
He had been _______ good terms with Tom, but all of ____ sudden they lost in touch with each other.
Imagine what today’s life would be like if Alexander Bell _____ the telephone more than 130 years ago!
Their sudden attack made us more ________ of the danger around us.