I really want to stop learning the piano. It’s too difficult for me.—Don’t do that. You should face the problems bravely.

How often ___________ the Olympics_____________?—Every four years.

Mr. Smith, _______ is the new bridge — Oh, let me see! It’s about 800 metres.

Thank you very much.— ______

The series of TV programme focus on a group of engineers who their lives to China’s nuclear research and space program between the late 1960s and the early 1990s.