He ____ down his life for the cause of freedom.
| A.gave | B.took | C.killed | D.laid | 
The trees _____ in the storm have been moved off the road.
| A.to blow down | B.blowing down | C.blown down | D.being blown down | 
Only when I left my parents for Italy ______ how much I loved them.
| A.did I realize | B.I realized | C.had I realized | D.I had realized | 
Dogs have a very good_____ of smell and are often used to search for survivors in an earthquake.
| A.view | B.means | C.sense | D.idea | 
She is an excellent student in our class, and she always herself in her studies.
| A.hides | B.buries | C.covers | D.leaves | 
In that big earthquake all their houses were , so they had to build new ones.
| A.hurt | B.harmed | C.injured | D.destroyed |