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9 Cards in this Set
- Front
- Back
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rapidly |
quickly |
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metropolises |
a very large and important city in a country |
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congestion |
too much traffic jam |
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slum |
a very poor and crowded area of a city |
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simultaneously |
at the same time |
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obligatory |
compulsory |
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Discretionary |
left to individual choice |
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committee |
small group of people chosen to represent a larger organization |
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sewage |
the waste matter that passes through sewers |
