英语翻译My pen friend in the usa ___ me___ ___ ____ a month

问题描述:

英语翻译
My pen friend in the usa ___ me___ ___
____ a month

sent (应该用过去式或者第三人称单数,原型是错的); two ; e -mails ; twice
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send;an;email;twice;

sends,two e-mails twice

My penfriend in USA writes to me two e-mails each month.