[ Vocabulary ]
The thinning _______ allows more sunlight to reach the Earth’s surface.
A. ordeal
B. cycle
C. atmosphere
D. climate
Select your answer:

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Irregular Verb › ViewJinglin has ______ me some tips on how to get cats to like you. Thank goodness!
A. sended
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Vocabulary › View
The walls are ________ of concrete.
A. constructed
B. collapsed
C. reinforced
