题目内容
2．Listen!I hear some birds ___________ the tree．（ ）| A． | sing in | B． | singing in | C． | sing on | D． | singing on |
分析 听！我听见一些鸟在树上唱歌．
解答 答案：B
hear sb/sth doing sth表示听见某人/物在做某事，此处由listen可知表示听见鸟正在唱歌，要用sing的ing形式；on the tree和in the tree都表示在树上，in表示外来物在树上，on表示本身长在树上的，鸟对于树来说是外来物，所以用in，选B．
点评 考查常用介词意思和用法的掌握，熟悉各介词的用法和一些固定搭配是解题关键．
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13．
Antonio and Julio were twins．They shared everything．They shared the same birthday，the same bedroom，and the same friends．（56）E，and both boys shared all the same toys．
One Saturday，Antonio and Julio went outside to play with their red wagon（四轮马车）．The twins loved the wagon．"I want to give my animals a ride，"said Antonio．
"（57）A，"said Julio．Both twins wanted to do different things with the same wagon．Antonio and Julio's mother heard the boys arguing and came outside．
"You boys must share the wagon，"said Mother．Mother told Antonio and Julio to take turns with the wagon．The twins did not want to share the wagon．
A few days later，Antonio and Julio's mother brought home a cat for the boys．"Can't we each have our own cat？"asked the twins．（58）C．
"I'm sorry，but you must share one cat，"Mother said．"You will have to feed the cat and make sure she does not get into anything．"Now Antonio and Julio were even sharing a job．
A few days later，the cat got into Mother's sewing（缝补） basket．In just a few minutes，the cat had made balls of yarn all the room．（59）D．He quickly went to find Antonio to tell him what the cat had done．
"Oh，no!（60）B，"cried Antonio．The boys quickly picked up the yarn and put it back in the basket．When the mess was cleaned up，Antonio and Julio made the cat her own toy from a piece of yarn．
"Just think，Julio，two cats would have made a bigger mess，"said Antonio．
"That's right，"laughed Julio．"Maybe sharing isn't so bad after all!"
Antonio and Julio were twins．They shared everything．They shared the same birthday，the same bedroom，and the same friends．（56）E，and both boys shared all the same toys．One Saturday，Antonio and Julio went outside to play with their red wagon（四轮马车）．The twins loved the wagon．"I want to give my animals a ride，"said Antonio．
"（57）A，"said Julio．Both twins wanted to do different things with the same wagon．Antonio and Julio's mother heard the boys arguing and came outside．
"You boys must share the wagon，"said Mother．Mother told Antonio and Julio to take turns with the wagon．The twins did not want to share the wagon．
A few days later，Antonio and Julio's mother brought home a cat for the boys．"Can't we each have our own cat？"asked the twins．（58）C．
"I'm sorry，but you must share one cat，"Mother said．"You will have to feed the cat and make sure she does not get into anything．"Now Antonio and Julio were even sharing a job．
A few days later，the cat got into Mother's sewing（缝补） basket．In just a few minutes，the cat had made balls of yarn all the room．（59）D．He quickly went to find Antonio to tell him what the cat had done．
"Oh，no!（60）B，"cried Antonio．The boys quickly picked up the yarn and put it back in the basket．When the mess was cleaned up，Antonio and Julio made the cat her own toy from a piece of yarn．
"Just think，Julio，two cats would have made a bigger mess，"said Antonio．
"That's right，"laughed Julio．"Maybe sharing isn't so bad after all!"
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