---_______ the balls? ---They’re under the chair.

 —What’s the matter? You looked unhappy.—Well, the teacher spoke so quickly and I can __________ understand it.

--What do you think of Tom？--He is a man of______words. He always stays alone(独自地).

- It’s _____ hard problem for the twins that ____ of them can work it out.

—_______is your husband?— A cook. He works in a restaurant near our home.