15000 bài tập tách từ đề thi thử môn Tiếng Anh có đáp án (Phần 53)

Some major causes of ocean pollution include oil spills, toxic waste and hazardous materials _____ into the ocean. A. that dumped B. dumped C. which dump D. are dumped

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Some major causes of ocean pollution include oil spills, toxic waste and hazardous materials _____ into the ocean.

that dumped

dumped

which dump

are dumped

Giải thích

Đáp án B