________ many times, he finally understood it.
When they knew there was a panda in the zoo, the children could ____wait to see it.
Mr. Black has been teaching English in a middle school _____ he came to China.
I know you are very _____ ice-cream, but you will gain weight if you eat too much.
She is the most _____ one of my friends; you can just depend on her.
Ladies and gentlemen, please fasten your seat belts. The plane _____.