_______ being fun and good exercise, swimming is a very useful skill.
______ you are supposed to do ______ you don't like a thing is ______ it. Don't complain.
Poor health does not rule out happiness except for the ______ or those in pain.
— What do you think of your new neighbor?— There are some things that are not easy to ______ and his coldness is one. He always behaves himself too proudly.
All the students who would like to visit the Province Museum, ______ down names here.
Itis ______ to have achieved so much in such a short time.