Cheer up! No matter how ________ you progress, you are ahead of those who never tried.

．We’ve published large quantities of books. This year______ we’ve published three million copies.

He devoted himself __________ to his research and got many achievements.

---How was your driving test going?---Not very well at first, but after many attempts I ____ passed it.

I’m certain David’s told you his business troubles. _________, it’s no secret that he owes a lot of money to the bank.