bags boxes boys cats中的s哪些发【z】这个音标?急

bags boxes boys cats中的s哪些发【z】这个音标?急 s的发音,wears books houses potatoes matches does classes shops monkeys ages boys months boxes bags organizes例：books.s发/s/ they have Thirty bags for boys （提问Thirty） 关于音标、选出一类的（不限一个答案）1.[z] 1.bogs boxes boys cats 这个是s、es2.[ ^ ] mother bus student ruler 第一个是o 其他是u3.[ 长音“ao”] orange all forty not 第二个是a 其他是o4.[ei] what plane that after Don‘t use throw--away chopsticks,plastic bags or paper (l --)boxes bags and boxes known as white pollution为什么不用to be known as Rubbish,such as plastic bags and boxes.''white pollution '' ,is becoming a serious problemA known as B is knownas 现要!首字母已给They l______ their lunch bags,boxes,paper cups and b____ on the grass. Would you like some drinks,boys?yes,( ),pleaseA.some orange s B.two boxes of chocolate C.some cakes D.two boxes of cola 六年级英语完形填空They leave their plastic bags,lunch boxes,tins,b___bottles and other rubbish on the grass,in the trees… stops rooms looks cars brushes maps walls watches oranges pens boxes trips bags buses cakes.这些单词中最后的s是读什么音 /s/ /z/ /iz/ 请写出stops rooms looks cars brushes walls watches oranges pens boxes trips bags buses cakesclubs radios sleeps prices hours 的音标我有字典找你干嘛！ the plastic shopping bags,chopsticks,to-go boxes and mineral-water bottles,to name but a few,whthe plasticshopping bags,chopsticks,to-go boxes and mineral-water bottles,to name but a few,when not properly disposed of,engender a colossal amount of non gaylord boxes Boxes是什么意思? pencil-boxes -Would you like some drinks ,boys?--Yes,_________,please.A.some oranges B.two boxes of chocolates C.some cakes D.two bottles of orange 请将下面的单词按正确的发音归类.stpots rooms looks cars brushes maps walls watches oranges pens boxes trips bags buses cakes/s/:________________________/z/:________________________/iz/:________________________