Knowing ________ you’re good at and doing even more of it creates excellence.
The police have ____ power to deal with such matters by ____ law.
Listen! His family must be quarrelling, ____?
The little girl couldn’t work the problem out. She wasn’t ____ clever.
The engineers made two big plans for the dam, ____ was never put in force.
——What do you think of the concert?——I really enjoy it. I didn’t expect it was ____ wonderful.