1.The dishes __C__ after meals every day.
A.were washed B.was washed
C.are washed D.is washed
2.Iwill see_A___ it is tureor not.
A.ifB.whatherC.what D.that
3.Tom got sick last Mayand__B_ in bed sincethen.
A.was B.hasbeenC.had been D.is
4.When ___A_ thebridge____?
A.was,built B.is ,builtC.did,build D.be ,built
5.That __C_ be Lily,I saw her inthelibraryjustnow.
A.mustn'tB.would'n
C.can't D.maynot
转化为被动语态.
6.Weshould dosomething to improve our environment.
Something should be done to improve our environment.
7.Theywill send the boyback tohishometown.
The boy will be sent back to his hometown.
8.Peopleplantedmanytrees along theriver lastyear.
Many trees were planted along the rive last year.
9.Hehasalreadyreturnedthe bookto the library.
The book has been returned to the library.
10.The company sellsa lot of carsevery year.
Cars are sold a lot every year.
希望能够帮到楼主