. — Do you mind if I open the window It’s hot in here. — ______________________

I can’t say _____ I want to see you again. It’s two years since I saw you last .

My father spends much money on books,_____he’s not rich.

If you don’t know that _____ is the mother of success, you are sure to be _____ in life.

_________ you may have, you should gather your courage to face the challenge.