完形填空

　　One morning I wasted nearly an hour watching a tiny ant carry a huge feather．Several times, it 　　1　　 several obstacles in its path．And after a momentary pause it would make the necessary detour．　　2　　 one point, the ant had to cross a crack about 10mm wide．After some 　　3　　 thoughts, the ant laid the feather over the crack, walked 　　4　　 it and picked the feather up on the other side, then continued on its way．I was 　　5　　 by the cleverness of this ant．It was only a small insect, lacking in 　　6　　 yet equipped with a brain to reason, explore, discover and overcome．　　7　　 this ant, like the other two-legged creatures 　　8　　 on the earth, also shares human failings．

　　After some time the ant 　　9　　 reached its destination－a flower bed and a small hole that was the entrance to its 　　10　　 home．It was there that the ant met its 　　11　　．How could that large feather possibly 　　12　　 such a small hole?Of course, it couldn't．So the ant, after all the 　　13　　 and using great brightness, overcoming problems all along the way, just gave up the 　　14　　 and went home．The ant had not thought the problem through 　　15　　 it began its journey and in the end the feather was 　　16　　 more than a burden．Isn't our 　　17　　 like that?

　　We worry about our families; we worry about the 　　18　　 of money; and we worry about all kinds of things．These are all burdens－the things we pick up along life's path, and drag them around the obstacles and over the cracks that life will bring, only to 　　19　　 that at the destination they are 　　20　　 and we can't take them with us．