-Would you please tell me the result of the exam, Miss White?-You did quite well. And you made -______mistakes.
A friend is a person who knows what you are saying ______ you are not talking.
It is true that knowledge ______ rather than being taught.
Don't give up, Tom. You haven't realized ______ great progress you've made!
Grace has been a teacher for two years. She ______ in a school when I first met her.
Mary is tired of learning because she is always ______ to do better than she can , both at school and at home.