1. During the Song Dynasty, people played a game called cuju, which is regarded as the ______ of ancient football.

A. resource         B. cause            C. origin           D. reason

2. You won’t be able to make a wise _____ of a word until you know all the _____ of it.

A. use; uses        B. usage; usages    C. use; usages      D. usage; uses

3. Recently CCTV station has taken great ________ to make a program that reviews the important ________ of the past 20 years.

A. steps; affairs   B. efforts; accidents                   C. pains; events D. efforts; incidents

4. Many of those interviewed said their job had changed beyond ________ over the past five years.

A. expression       B. recognition      C. belief           D. doubt

5. He rides a bike to work every day in order to keep in___________.

A. support          B. service          C. surface          D. ·shape