[ Vocabulary ]
water and human waste washed down sinks, showers, and toilets
A. emissions
B. smog
C. acid rain
D. sewage
Select your answer:

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Vocabulary › View__________ the difficulty, they managed to solve the math problem.
A. Although
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Identify the adverb in the following sentence: She quickly ran to catch the bus.
A. rapidly
B. quickly
C. speedily
D. swiftly
