Professor White has written some short stories, but he is _____ known for his plays. 

 －How do you like our restaurant?    －I couldn’t have found a ________ one.

—Do you have any idea why the engineer resigned?—No. In fact, everyone is ____about it.

Greenland, ＿＿＿＿＿island in the world, covers even two million square kilometers. 

You are _____ to be disappointed if you hope to go to college without hard work.