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Chen Xiang wondered where I have been Li Lei said that the m

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Chen Xiang wondered where I have been Li Lei said that the moon went round the earth 怎么改这两句
Chen Xiang wondered where I have been Li Lei said that the m
第一句have改为had,因为主句动词wondered为过去式,所以从句中的动词要变为相应过去式.
第二句went改为goes,因为虽然主句动词也是过去式,但由于从句为客观真理,所以依然用一般现在时.