(Viên chức Mầm non) 400 câu trắc nghiệm multiple choice tiếng Anh có đáp án - Phần 8
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The authorities ______ actions to stop illegal purchase of wild animals and their associated products effectively. However, they didn’t do so.

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The authorities ______ actions to stop illegal purchase of wild animals and their associated products effectively. However, they didn’t do so.

must have taken

had to take

needed have taken

shouldhave taken

Giải thích

Chọn đáp án D

Giải thích: must have taken.

had to take.

needed have taken.

should have taken.