I heard from my pen pal in American yesterday(改同义句)I ______ _____ ______ ______ my pen pal in American yesterday.

问题描述:

I heard from my pen pal in American yesterday(改同义句)
I ______ _____ ______ ______ my pen pal in American yesterday.

received a letter from

I (received a letter from) my pen pal in American yesterday.