(Viên chức Mầm non) 5000+ câu trắc nghiệm Ngoại ngữ có đáp án - Test 1
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Before Doi Moi, the economy of Vietnam was characterized by collective ownership and central planning.

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Before Doi Moi, the economy of Vietnam was characterized by collective ownership and central planning.

Giải thích

Đáp án đúng là T