The Taj Mahal which was begun in 1632 and was completed in 1654 cost a fortune.请问为什么用 cost 而不是单三形式的 costs

分类: 作业答案 • 2022-07-29 19:55:41

问题描述：

The Taj Mahal which was begun in 1632 and was completed in 1654 cost a fortune.
请问为什么用 cost 而不是单三形式的 costs

答