The pyramid was built five ______ ago.A、thousands of yearsB、thousand yearsC、th

游客2025-06-30  0

问题 The pyramid was built five ______ ago.

选项 A、thousands of years
B、thousand years
C、thousands years

答案 B

解析 当thousand前有基数词或表示数量的词修饰时,只能用单数形式。
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