14. The world is changing every day. ______ a happy life, we need to learn how to change our ways.
— ________ David and Vicky ________ married? — For about three years.
Many teachers __________ to the meeting are from Chongqing.
Your father likes to play golf. He’s really enthusiastic ________ it.
— Why don’t you want to travel abroad? — Because it becomes ________ expensive ________ before.
The ________ moment they had looked forward to ________ finally.