No bread eaten by man is so sweet as ______ earned by his own labour.

— Which of the caps will you take?—I’ll take______ , one for my father, the other for my mother.

--- I didn’t bring back anything from America. ---  _________ at all?  Why not?

--- Do you speak Chinese, or Japanese? ---- I don’t speak_____ of them. 

--- Where can we have supper tonight? --- Oh, if you don’t mind,we can do it at _____ of the restaurants.