What was the 2014 Nanjing Youth Olympic Games like—As we all know, it was _________ big success.

The black baby boy is at the stagehe can only say a few simple words but not yet full sentences．

What do you think of the environment in our city— I am sure it _________ greatly through our work in the near future.

Follow your teacher’s advice, _______ you’ll make great progress in your English.

Thank you very much.——-My pleasure. I’m glad to have been _______.