1.____sincethepetdogranawayfromitsowner.A.liisthreedays.B.lthasbeenthreedays.C.Threedayshaspassed.D.A,BorC.2.lt________(report)thatpopulatinonisstillaseriousproblemintheworldnow.3.Thisroomisthreetimesbiggerthan

　　1.____sincethepetdogranawayfromitsowner.

　　A.liisthreedays.B.lthasbeenthreedays.C.Threedayshaspassed.D.A,BorC.

　　2.lt________(report)thatpopulatinonisstillaseriousproblemintheworldnow.

　　3.Thisroomisthreetimesbiggerthanthatone.(同义句转换）

　　Thisroomisfour________________thatone.

　　4.Tom'sparentsalwayscomplainaboutthatone.（同义句转换）

　　Tom'sparents____neverpleased____himbecauseofhiscarelessness.

　　5.Youhavn'treadthebook.Hehasn'treadthebook.(合并为一句）

　　____younorhe____readthebook.

　　6.Thecruelbossmadetheworkersworkformorethantenhoursaday.（改为被动语态）Theworkers____________workformorethantenhoursadaybythecruelboss.