_______ he is always studying hard is well known ____ us all.

Gaddafi’s failure in Sirte _________ him the last opportunity to reestablish the government.

Since the outbreak of the disease, 90 patients have been         to have the illness and other suspected patients are still under examination. 

—Yao Ming scored more than 25 points in each game this season.—There's no doubt that he ________ the title “The Best Scorer”．

—what do you think of Bill? —He is a hard-working student and he always ____himself in study.