have a letter from这个短语是什么意思,它等于什么?

have a letter from这个短语是什么意思,它等于什么? 短语have a picnic等于什么? I have had a letter from Tom.这个have had 是什么句型啊? have you taken a letter from him l have had a letter from Tom l ( ) already ( )(have) a letter from John. I have had a letter from tom receive a letter from sb 是什么意思? A letter from a penfriend什么意思 from your letter是什么意思 I have just received a letter from my brother, Ti I letter a from have her(组句)