Your house is always so tidy – how do you_______ it with three children

Someone is knocking at the door. Who may it be–It ______ be Tom. He is still in the school.

The weather turned out to be fine yesterday. I _______ have taken the trouble to carry my umbrella with me.

Tianjin is _______ Beijing. But it is _______ Shanghai.

The movie oncea whole generation of people. They proved to be of muchin the education of people.