His heart racing, and tears ____ his eyes, Jack carefully unlocked the box.
Father______for London on business upon my arrival,so I didn't see him.
The success of this project______everyone making an effort.
When______,the museum will be open to the public next year.
—Could you help me change the wheel,sir?—______,madam,which one?
Reading is______good habit.Stick to it,and you'll make______great progress.