6000 câu trắc nghiệm tổng hợp Tiếng Anh 2024 có đáp án (Phần 21)

It is necessary that everything ________ ready by two o'clock tomorrow

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It is necessary that everything ________ ready by two o'clock tomorrow.

be

was

were

would have been

Giải thích

Đáp án đúng là: A