We paid ________ cash in the hope that we can get a 15% _________.

Few people back then had cell phones,and almost no one had____to the Internet.

A $1000 ____will be offered to anyone who helps to return the lost jewel .

The song Take Me Home, Country Roads has much      to people, for few people can avoid getting caught up in its originally real country music．

 Due to the widespread ________ of this medical technology，more diseases can be discovered and treated at an early stage.