[ 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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Grammar › ViewNow, you may go.
A. ASV
B. SVA
C. CSV
D. SVO
Modals › View
You __________ turn off the lights or you might get a cross.
A. have better
B. had better
C. had better
D. supposed to
How to use : Read the question carefully, then select one of the answers button.