---Is your dad reading a book? ---______________
A.Yes, she is.B.No, he isn’t.C.No, he is.
Shi Tou, there is a call ____ you.
A.forB.onC.from
She ____ doing the dishes. I ____ doing the dishes, too.
A.is, is B.is, amC.are, is
---__________________
---I’m writing an e-mail.
A.Are you writing an e-mail?
B.What are you doing?
C.Where are you?
---Are you writing a letter? ---Yes, _______.
A.I amB.you are C.it is