---- It is demanded that the letter ___by the end of this week , dad !----I’ll do it immediately . 

Lang Ping, who is said to have started her coaching career in America, ____ volleyball in China for almost twenty years.

(大连市高三双基测试卷)Mr. Li said those who had failed _______ further training and a second chance to pass the exam the next week.  

 A series of stimulus policies and supportive measures taken by the government ________ to promote change in the economic environment in this area.

 Donald ___ sixteen tomorrow.