1、---Yes,itis.
2、What'syourfavoritecolor?
3、-Myfavoritesportisswimming.
4、④主动：IhavelearnedEnglishforfiveyears.
5、②主：Bellinventedthetelephonein1876.
6、-MynameisSarah.
7、When'syoursister'sbirthday?---Itison6thAugust.
8、---Igotoschoolbybus.
9、Whatdoesyourgoodfriendwanttobe?---Hewantstobeateacher.
10、我的自行车被她偷了。
11、What'syourfavoritesport?
12、-Myfavoritefoodispizza.
13、Heanswersthequestionsinpublic.（主动）他公开地回答了问题。
14、-Iliketoreadbooksandplaywithmyfriends.
15、Thebridgeisbeingrepairedbythem.（被动）桥梁正在被他们修复。
16、-Yes,Ihaveayoungersister.
17、你好，1.Whatisyourname?
18、Doyouhaveanysweetfood?---Yes.Ihavesomesweetcakes.
19、电力被我们用来开动机器。
20、Howoldareyou?
21、-Myfavoritecolorisblue.
22、Yes,thereis.
23、Aschoolboyfoundthiswalletinthestreet.（主动）一个学生在街上捡到这个钱包。
24、Doyouhaveanypets?
25、①主动语态：Weuseelectricitytorunmachines.
26、电话是贝尔于1876年发明的。
27、-MyfavoritesubjectinschoolisEnglish.
28、Whatdoyouliketodoinyourfreetime?
29、被：ThetelephonewasinventedbyBellin1876.
30、Theyareonthetable.---Wherearethey?
31、-Yes,Ihaveadog.
32、-Iam9yearsold.
33、Thequestionswereansweredinpublic.（被动）问题被公开答复了。
34、What'syourfavoritefood?
35、③主动：Shestealsmybike.
36、Doyouhaveanysiblings?
37、Howmucharetheclothes?---Theyare120yuan.
38、---Isthereaparknearyourhome?
39、IsyourbirthdayinDecember,Lucy?
40、我被大家信任。
41、Howdoyougotoschool?
42、Theyarerepairingthebridge.（主动）他们正在修复桥梁。
43、我已经学了五年英语了。
44、⑤主动：Everyonetrustsme.
45、Wheredoyoulive?
46、被动：Iamtrustedbyeveryone.
47、-IliveinBeijing.
48、被动：Electricityisusedtorunmachines.
49、被：Englishhasbeenlearnedbymeforfiveyears.
50、被动：Mybikeisstolenbyher.
51、Didyougototheparkyesterday?Yes，Idid.
52、What'syourfavoritesubjectinschool?
53、Thiswalletwasfoundinthestreetbyaschoolboy.（被动）这个钱包是一个学生在街上捡到的。