24. The spiral is one of the oldest geometric shapes found in the ancient world. The petroglyphs of
the symbols ____ back to the Neolithic period.
(A) are dating
(B) have been dated
(C) were dated
(D) date
(E) which dated
詳解 (共 2 筆)
未解鎖
The spiral is one of...
未解鎖
追溯動詞的差別(trace vs. da...
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