They have something        common. Both of them are good        dancing. 

—How much will you be paid? —Tom, I do it not for money, but for experience. ____, it’s a kind of volunteer activity.

—Who’s that boy?—He is my cousin, and _______ name is Jack.

At that time, the calculator was a great ______ / ɪnˈvenʃn /.

It’s getting dark, please _______the light.