問題詳情
24. The spiral is one of the oldest geometric shapes found in the ancient world. The petroglyphs ofthe symbols ____ back to the Neolithic period.
(A) are dating
(B) have been dated
(C) were dated
(D) date
(E) which dated
參考答案
答案：D
難度：計算中-1
書單：沒有書單，新增