There is no doubt ______ international cooperation is key to ______ with cybercrime, as Vinton Cerf has said that the problem of cybercrime is _______ huge that it requires UN to form a special agency to act as an international referee or steward.

The teacher wanted his students to answer some questions in class, he said, “Put up your hands, please.”

er to look after her sick daughter,the old lady asked for a week’s ________.

ke to go to Tommy’s birthday party this evening,but I _____ just _____ from the flu.

do you find the town you visited yesterday— The town has changed out of all ______ in the past 20 years, acompletely new one in front of me.