6. The Neolithic Age was a period of history________began in approximately
6000 B.C. and lasted until 3000 B.C.
A. what B. which C. when D. how
Key : B
cho mình hỏi tại sao dùng which vậy ạ
6. The Neolithic Age was a period of history________began in approximately
6000 B.C. and lasted until 3000 B.C.
A. what B. which C. when D. how
Key : B
cho mình hỏi tại sao dùng which vậy ạ
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