If you leave on July 16 to Minneapolis/St. Paul, you may pay % of the regu- lar fare.
A. 40
B. 50
C. 100
D. 60
The reason why I worked as a waitress is that ______.
A. I ran out of money
B. I was proud of being a waitress
C. I did not care for money
D. I was sacked
Why did the men go to the South Pole？
A. To study the secrets of the earth and the sky.
B. To experience the world' s worst weather.
C. To prove team work possible.
The purpose of the passage is to ______.
A. introduce the importance of flags.
B. introduce the history of the US flag.
C. introduce the process of designing a flag
D. introduce the function of a national flag
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