[ Grammar ]
It was clear that a chemical factory had __________the pollution in the local rivers.
A. caused
B. had
C. made
Select your answer:
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Grammar › View
Choose the sentence that correctly uses parentheses.
A. My brother (who is a doctor) works at the hospital.
B. My brother who is a doctor works at the hospital.
C. My brother, who is a doctor works at the hospital.
D. My brother who is a doctor) works at the hospital.