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

Preparations ________ during last month before the competition started. A. had made B. had being made C. had been being made D. had been making

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Preparations ________ during last month before the competition started.

had made

had being made

had been being made

had been making

Giải thích

Chọn đáp án C