[ Vocabulary ]
The water _______ in nature ensures a continuous supply of nutrients to aquatic ecosystems.
A. challenge
B. hardship
C. despite
D. cycle
Select your answer:
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Grammar › View______ book is this?
A. Who’s
B. Whose
Grammar › View
Millie write quickly and she writes more quickly than other students in the class. So she writes ____________in the class.
A. more quickly
B. quickliest
C. the most quickly