There is no need to add in trees to create shade because many town and city gardens are __________ shaded by buildings.

He began to take political science ________ only when he left school. 

—How did you sleep last night?  —Like a log. Never slept ____. 

Camels were ____ better than horses for travelling a long distance.

“Facial transplants are no longer science fiction imagination ,”a surgeon has said,____that they are ___possible but  technically complex..