Mary and Sam are ___ . They are from .
-- ______ does your sister study for the English exam? --By asking her teacher for help.
Don’t worry. Our teacher will come to show us ______the computer.
If Iyou,Ibuy a bike for him.
--Do you know the girlis talking to your teacher? ---She is my new classmate Sarah.
----Who’s the little baby in the photo,Susan? ---It’s me ,this photo ten years ago.