Although many great people ever failed, they never _______ and tried to succeed.

As a doctor, I _______ that I will be kind to my patients, love them and do my best to save their lives. That is my promise.

I saw a strange cloud _______ questions _____it in the game.

Thevisitors here are greatly impressed by the fact that_______ people from allwalks of life are working hard for_____ new Jiangsu

Han wrote severalnovels, almost all of them_______by teenagers.