MODULE 12- Đại từ nhân xưng, Đại từ sở hữu và Đại từ phản thân

The fire ________ by an electrical fault. A. could have caused B. could been have caused C. could have been caused D. have causedThe fire ________ by an electrical fault. A. could have ca

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The fire ________ by an electrical fault.

could have caused

could been have caused

could have been caused

have caused

Giải thích

Chọn đáp án C