请在 下方输入 要搜索的题目:

During the tourist season, there are many people wandering in this city to see the old castles _____ in the sixteenth century. ( )


A、tobebuilt
B、beingbuilt
C、havingbeenbuilt
D、built

发布时间:2025-06-02 05:05:23
推荐参考答案 ( 由 专技宝 官方老师解答 )
答案:built
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