Carol and Susan are very good friends. They are in the same _1_at school and they often visit__ 2___ home on weekends. Now they are __3__ eight years old. Carols mother has a new baby. Carol is very __4__ to have a little sister. So she always talks about her to Susan. At first Susan __5__ the new baby very much because she doesnt have any brothers or sisters. But __6_ some time she begins to get tired of Carol’s endless talking(厌倦了喋喋不休地谈论)about it. She also feels a little jealous(嫉妒)of her friends. One morning when the two girls __7___ on the school ground, Carol says to Susan, “Do you __8___ , Susan, my baby sister has put on nearly half a pound in weight (体重增加了半磅)this week.” “That’s not very __9___ .” answers Susan. “I know a baby and he puts on ten pounds a day.” “Oh, that can’t be true.” answers Carol laughingly. “__10__ baby is it?” “An elephant’s.” says Susan. ( )1 A. table B. class C. group ( )2 A. each other' s B. their C. each other ( )3 A. all B. two C. both ( )4 A. angry B. sorry C. glad ( )5A. likes B. doesn’t like C. listens to ( )6 A. before B. after C. for ( )7A. play B. meet C. walk ( )8 A. hear B. find C. know ( )9 A. much B. many C. little ( )10 A. who’s B. whose C.who