[ 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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Grammar › ViewYour dog is _____ than my dog.
A. happier
B. more happy
C. much happy
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_ is going to sing at the concert.
A. I
B. He
C. They
D. We
Some vs. Any › View.Can I have ___ of these kiwis?
a. some
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The average elevation ___ Colorado is 6,800 feet above sea level.
a. of
b. at
c. on