[ Vocabulary and Grammar ]
A lot of waste from hotels and factories is ______ into the lake.
A. affected
B. dumped
C. polluted

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Grammar › ViewIt isn’t necessary for you to review your entire grammar book.
A. You shouldn’t review your entire book.
B. You’d better not review your entire book.
C. You can’t review your entire book.
D. You don’t have to review your entire book.
Grammar › View
Japanese is more difficult / difficulter than German.
A. more difficult
B. difficulter
Vocabulary and Grammar › ViewIn the sentence, “The book on the shelf is mine,” what is the prepositional phrase?
A. “on the shelf”
B. “is mine”
C. “The book”
Grammar › View
The fatter I become, the…………I run.
A. quicker
B. more slowly
C. slower
D. more fast