One can fail at times, but _______ makes a difference is one’s attitude towards life.

He tried his best to solve the problem, _______ difficult it was.

I won’t give my help ______ you will tell me the truth.

Jane is not ____ she was ten years ago. She has changed so much.

Cycling is a very useful way, especially in cities _______ bike paths have been built.

Let him who tied the bell onto the tiger take it off -- _____ started the trouble should end it.

In a family, ______ really works is ____ there is one person who understands the finances and takes care of it.

______ he works hard, I don’t mind when he finishes the experiment．

—Fool _____ I am, I will not believe you any more．You have been promising a hundred times!
—But Mum, this is the last time．

Never give up your effort, ______ you are sure to get what you’re trying to get．