However,a few days later,he was told that a mistake had been made.His average speed had been 301 miles per hour.为什么不用过去式?was made、 was 301 miles per hour?

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However,a few days later,he was told that a mistake had been made.His average speed had been 301 miles per hour.为什么不用过去式?was made、 was 301 miles per hour?

这句话的意思是:然而,一些天过去了,他被告知错误已经犯了.他的平均速度已为301英里每小时.这是现在完成时.