—Listen! Peter is singing in the classroom!—It _____ be him. He has gone back to his hometown.
How nice weather is today? Why not go out and have walk?
Jim made few mistakes in the Chinese exam,_ ______?
—Ann, would you like to drink tea or coffee? —______. I’m not thirsty at all.
The boy was too busy _______ his father last term.
I can typethan I can write by hand.