---Have you ever been here before?---No. this is the first time that I to the Great Wall.A

发布时间：2020-08-16 23:19:04

---Have you ever been here before?
---No. this is the first time that I     to the Great Wall. 
A   es   B   have been   C  came  D had been

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解析：：考查特殊句型用法。句式：It/this is the first time后面的从句使用现在完成时。如果前面是was,后面要使用过去完成时。故B正确。
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