"there was a small opening between the trees"
"the explosion made a gap in the wall"
"the opening of his arms was the sign I was waiting for"
"the opening received good critical reviews"
"the ray of light revealed his cautious opening of the door"
"there is an opening in the sales department"
"the opening established the basic theme"
"bankruptcy is always a possibility"
"the orifice into the aorta from the lower left chamber of the heart"
"they left a small opening for the cat at the bottom of the door"
"he memorized all the important chess openings"
"the memorable opening bars of Beethoven's Fifth"
"the play's opening scene"