[ Grammar ]
Many species …….. extinct by the end of the century.
A. will have become
B. are becoming
C. will become
D. become

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Some vs. Any › View.Can I have ___ of these kiwis?
a. some
b. any
Mixed General Quiz › View
The average elevation ___ Colorado is 6,800 feet above sea level.
a. of
b. at
c. on
