As soon as the man walked into the room ~ he ______ his heavy coat and sat down.
—Don’t worry. Your brother is coming to help you. —________ he doesn’t come?
My stomach feels terrible, I think I ate ___________ at lunch time.
We tried our best to ______, but she didn’t stop crying.
By the time of last year, she ______ the piano for five years.
—Listen! Peter is singing in the classroom!—It _____ be him. He has gone back to his hometown.