---Who do you think is to blame for the boy’s behavior, Mary or her parents?--- We all think it is Mary as well as her parents that ______ for their son’s bad performance at school.
You can keep the book until you ______ .
You'll regret ______ those words. You may hurt her feelings.
Though he failed, he tried _______ it again and again.
You didn't hear us come back last night. That's good. We tried ______ noisy.
Remember ______ the book, when you have finished it.