We went to the West Lake yesterday, ___, not surprisingly, was crowded with visitors from all over the world.
It was ________ was a waste land ten years ago _______ a modern city has been set up on.
—Why didn’t you buy the gold ring? —I ______ but I didn’t have the money.
With the development of the Internet, _____ communication will be done by regular mail.
Losing weight is no easy task. A lot of people who lost weight gain it back over time and end up back _______ they started.
TV-Turnoff Week, _______ millions of people around the world participate every year, tries to encourage people to turn on life.