jack [not keep]] in touch with his friends by telephone
人气:102 ℃ 时间:2019-12-10 18:41:14
解答
Jack does not keep in touch with his friends by telephone (一般现在时态).or Jack has not kept in touch with his friends by telephone since two years ago.(现在完成时态) .基本就是那样,要看语境....
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