The computer, ______________ help we human beings have stepped into the information age, should be made full use of to promote the social development

His son was put in _____ prison. He went to_____ prison to see him yesterday.

He _____ to sleep already. I _____ him about it tomorrow.

He is _____ careless a student thathe often _____ some letters while writing.

Jim’s _______ brother is one year_______ than him.