Miss Song will do ________ interview with our English teacher.

She was so angry at _______ he was doing ______ she walked out, and closed the door heavily behind her.

How much are these socks?—______ two dollars.

Listen! Peter is singing in the classroom! —It _____ be him. He has gone back to his hometown.

We are going to have _________off next month, so we will go on a trip.