The math problem is _______ hard for me ______ work out.
I’m surprised that John is only 25. I thought he was ____, for he seems to be in his ____.
Mozart had a amazing gift for art and his music is well worth ____________.
—__________ great progress she’s made in the past month!—Exactly. To my _________, she’s really changed a lot.
—We can’t be successful _______ we keep working hard.—I agree with you.
_____ you ______ your brother can join us. We want one of you.