Topics: Vocabulary & Grammar
The rivers in this area are seriously polluted ____________ harmful waste from factories.
A. such as
B. because
C. because of
D. except for
Select your answer:
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A. does the park close
B. the park closes
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Past Continuous Tense › View
Somebody threw a shoe at him _____ he was speaking.
A. after
B. when
C. before