—Listen! There is a knock on the door. Who _____ it be?—It must be Jack. Just now I sent for him.
______ he has made up his mind, no one can make him change it.
I ______ him to give up smoking, and succeeded.
This is the first time that I ______ the song Gangnam Style.
– Let's play football after class, shall we? –______ I can’t wait to do that.
I will not go to her birthday party ___________ I am invited.