She'sbeentoAmerica,________.A.is

发布时间:2020-07-28 17:14:05

She's been to America, ________.A.isn't sheB.doesn't sheC.hasn't sheD.wasn't She

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C解析句中的's是has的缩写,与been构成现在完成时态,前面是肯定的,后面是否定的。
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