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。