—Have you ever been to Shanghai, Mary?—Yes. I there three times.A. have goneB. have beenC

—Have you ever been to Shanghai, Mary?
—Yes. I there three times.
A. have gone
B. have been
C. went
D. was

A. have gone(答案→)B. have beenC. wentD. was解析：句意:-Mary ，你去过上海吗？-是的，我去过那三次。have gone 去了，还没有回来；have been 去过，已经回来了。C和D都是一般过去时，不符合句意。故选B。

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