Bộ 10 đề ôn thi học sinh giỏi Tiếng anh lớp 9 năm 2023 có đáp án (Đề 8)

The lecture was cancelled because the professor was ill. (called) -> They ………………………………………………………… because the professor was ill.

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The lecture was cancelled because the professor was ill. (called)
->They ………………………………………………………… because the professor was ill.

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Giải thích

They called off the lecture because the professor was ill.