-What do you think the letters UK ______?-The United Kingdom of Great Britain and Northern Ireland.
Not all the students follow the rules. Which of the following statement has the same meaning?
The farm grows various kinds of crops, _______ wheat, corn, cotton and rice.
The boss insisted that every minute ______ made full use of ______ the work well.
Rather than _______ here waiting, I prefer _______to find out what on earth has happened.
The novel was concerned ______ the Second World War, while most readers are more concerned _____ the hero's love story.