my grandma is very old now,but she was a teacher before (同义句)my grandma___ ____be a teacher before,but now she is very old

问题描述:

my grandma is very old now,but she was a teacher before (同义句)
my grandma___ ____be a teacher before,but now she is very
old

my grandma used to be a teacher before,but now she is very old.

used to

My grandma used to be a teacher before,but now she is very old.