1.ithink_importanttolistencarefullytotheteacherinclass
a.toobthatc.it怎么用it?
2.itwill_youanhourtofinishit.
a.usebgetctake
3.thisbookisdifferent_thatday
a.fromb.tocof
4.dontbringfriendsfrom_schools
aotherb.theotherc.eachother
5.idontknow_.
a.whereishisbikeb.whatshouldidoc.howhegoestowork
搞不懂怎么来的