How long do the volunteers work in a small bam on a farm outside of Freeport, Illinois？
A. 5 hours.
B. 10 hours.
C. 17 hours.
D. 20 hours.
查看答案
The news item mainly about
A. meat canning, a tradition in American church groups.
B. American church groups' canning food for those in need.
C. how to can food in American church groups.
D. the canned food delivery all over the world.
正确答案是（）
A. decided
B. regulated
C. controlled
D. changed
What was the population of London at the beginning of the 19th century according to the conversation？
A. More than a million.
B. More than eight million.
C. Less than eight million.
D. Less than a million.
What is the opening concerned in the conversation？
A. Interviewing an assistant.
B. Applying for the post of assistant.
C. Recruiting an assistant.
D. Training to be an assistant.
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