He promised that he would work well, and he didn’t________.

Sarah, you’d better drink more water after ______ for such a long time.

The work is hard to finish, so I am to do such a thing.[ ]

Our country has two players in NBA. One is Yao Ming, is Yi Jianlian.

If there is anyone out there stilldoubts that America is a place where all things are possible，tonight is your answer.