3
Are you sitting in the waiting room at the doctor 's now?
What were you doing at 4 o'clock yesterday? I was feeding my cat.
Don't make noise! Your father is sleeping.
When I came home from school, my little brother was playing with his toys.
Listen! Who is playing the piano in the next room?
4
I bought a pair of gloves yesterday.
Mary hasn't bought a new dress yet.
He has just seen his teacher.
Has she already done her homework ?