Elephants have their own way to tell the shape of an object and _______ it is rough or smooth.(2005年天津高考题)
At the age of fifteen she gave up taking piano lessons to _____ her school work.
It is still under discussion _________ the old bus station should be replaced with a modern hotel or not.
David is a skillful worker. I’m sure he has enough _______ to fix all the electronic ______.
Going out is________ good means of relaxation. Would you like to go to ________ with me in the afternoon ?
Beyond _______ stars, the astronauts saw nothing but _______ space.