121. — Why do you go to the dancing hallthree times a week— I’ve taken a ______ to dancing.

It’s good for people ____ after dinner.

On their way to the reception building, all the athletes were amazed _______ so many volunteers ____their help. [ ]

With two children _____ middle school, theparents are working hard.

We call her XiWang. What kind of sentence structure is it