题目内容：
短文改错Mary is my best friend．We're all from Henan,__________
but now I live in Beijing when she lives in __________
Guangzhou．We don't look each other very often, __________
but we're keep in touch all the time．I often write __________
to Mary and telling her about the things that __________
are happened at my company, and she often __________
writes to me about her work．We talk on phone __________
once a week．Sometime I call her on her __________
car phone, or we send e-mail to each other.__________
We're really luck．There are so many ways __________
we can keep in touch with each other. __________
__________．
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