"Paulmusthavebeentryingtocarryhiswastepapertogarbagecananddroppedafewpieces．"I（41）___pickingthemup．（42）___laterIfoundmorepieces．Noquietsighingthistime．I（43）___，"Whoisthrowinggarbage

　　"Paul must have been trying to carry his waste paper to garbage can and dropped a few pieces．"I （41）___picking them up．（42）___later I found more pieces．No quiet sighing this time．I（43）___，"Who is throwing garbage？"No answer．Instead，I saw more bits of paper silently floating（44）___from upstairs．Looking up，I saw my seven-year-old son，Paul．

　　"Stop making a mess．""It's not a mess．They're（45）___．""Sorry，what did you say？"I hadn't heard him clearly．

　　He didn't answer me．Paul has autism （自闭症） and（46）___answers a question，especially when he's（47）___attentively on something else．He ran down the stairs．"Where are my other butterflies？"he asked，（48）___around．Every time Paul（49）___five or more words together，my heart says a（50）___of thanks．But lately he seems to（51）___that the benefits of forming complete sentences when communicating are（52）___of the effort．

　　Butterflies，Of course．I rushed to（53）___them from the garbage，（54）___them off and handed them to my young artist．"Want to see them（55）___again？"he asked with a shy smile．"Oh yes!They're beautiful．"I whispered．He ran back upstairs to float his（56）___down again．They really did look like beautiful butterflies．

　　That day Paul（57）___me to look up at （58）___instead of down at garbage．How many other masterpieces （杰作） do I miss because I'm too caught up in my（59）___to take time to appreciate what's right in front of me？Life is not what happens to us．It's（60）___we look at it．Now，I look up．

　　41．A．laughedB．sighedC．amazedD．shouted42．A．DaysB．YearsC．MomentsD．Weeks43．A．called outB．turned upC．got inD．added to44．A．upB．downC．awayD．off45．A．planesB．papersC．leavesD．bu