We think Betty the best student. The sentence structure is ______.

The young man from Luo Yang Called Liu Yongying is really a kind -hearted guy , who is ready to help others . — A good fellow（小伙子）_____

Look at the young men. They _____ the bus.

There will be______ one-hour documentary tonight on TV. It tells a story of______ honest boy in the mountain village far away

Lily will give a talk tomorrow. She is thinking about ________ to make everyone happy with her speech.