First (reported by) Spanish explorers in 1796, (the asphalt) in California’s La

游客2024-01-05  12

问题 First (reported by) Spanish explorers in 1796, (the asphalt) in California’s La Brea Tar Pit was mined (commercial) for (many) years.

选项 A、reported by
B、the asphalt
C、commercial
D、many

答案 C

解析
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