jack [not keep]] in touch with his friends by telephone
题目
jack [not keep]] in touch with his friends by telephone
答案
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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我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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