They often _______their friends at weekends and they always have a good time.

Lucy is going to be a computer programmer when he _______ college.

The police came in __________ the thief attempted to rush out of thestore.

It was on November 15, 2010 ______ a big fire happened in Shanghai, ______ was a great shock to lots of people.

This restaurant has become popular for its wide ______of foods that suit all tastes and pocket.