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18£®How many public showers does San Francisco have for homeless people£¿
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B.16£®
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19£®When was the first bus tested£¿
A£®Two days ago£®
B£®Several weeks ago£®
C£®Last fall£®
20£®What do people agree on about this project£¿
A£®It's important to be clean£®
B£®The city should use less water£®
C£®There need to be more buses on the streets£®
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