完形填空。 If you are human, you can't help but experience times when everything seems to be going wrong. You must also _1_ as if your life is completely out of control at times. It is during those 'down times' that words of encouragement from family, friends, co-workers or 2_ strangers can boost(增强)your spirits. It is also during those _3_ that negative words can be devastating (毁灭性的) and sink you deeper and deeper into depression. For example, consider this story about a group of _4_ who were traveling through the woods when _5_ of them fell into a deep pit (坑). All of the other frogs gathered around the _6 _.When they saw how _7_ the pit was, they told the two _8_ frogs they would never get out. The two frogs didn't obey what other frogs said and tried to _9_ out of the pit. The other frogs kept telling them not to jump, _10_ it was in vain. Finally, one of the frogs followed what the other frogs were saying and simply _11 . He fell down and _12 . The other frog continued to jump as _13_ as he could. Once again the crowd of frogs shouted at him to _14_ the pain. The more they _15_ , the harder he jumped and finally he _16_ to safety. When he _17 , the other frogs asked him why he continued to jump when they were all _18_ him to simply quit. The frog _19_ to them that he was a little bit deaf. He thought they were _20_ him all the time. (     )1. A. think (     )2. A. so (     )3. A. processes (     )4. A. frogs (     )5. A. two (     )6. A. hole (     )7. A. muddy (     )8. A. uncomfortable (     )9. A. run (     )10. A. so (     )11. A. gave out (     )12. A. died (     )13. A. fast (     )14. A. help (     )15. A. cried (     )16. A. get it (     )17. A. turned out (     )18. A. taking to (     )19. A. explained (     )20. A. encouraging B. experience B. just B. times B. mice B. three B. pit B. wide B. unpleasant B. walk B. as long as B. gave up B. wounded B. hard B. ban B. spoke B. forget it B. kept out B. shouting at B. announced B. helping C. seem C. even C. courses C. dogs C.many C. water C. deep C. unhappy C. climb C. because C. gave away C. destroyed C. easily C. forbid C. shouted C. use it C. got out C. throwing at C. introduced C. pulling D. feel D. ever D. practices D. cats D. few D. well D. long D. unfortunate D. jump D. although D. gave off D. damaged D. swiftly D. stop D. read D. made it D. held out D. speaking to D. told D dragging