Complet thé sentences, using superlatives : 
 1. Lincoln had many setbacks , but he finaly reached the.........( Hugh) office on the Land .
 2. Despite is childhood difficulties, Einstein became the........(famous) scientist thé World has ever known.
 3. Silicon valley is the World's ...........(Big) concentration of start-ups and high-tech firms. 
 4 . If you're looking for the.........( Expensive) products, toi should go to a low-cost supermarket. 
 5. Thé country which is the....(far) away from England is new zealand.