1.特殊句型1.Its(is/hasbeen)twoyearssinceheleftChina.2.Its(is)thefirsttimethatIhavevisitedShanghai.3.have/hasbeento曾经到过某地have/hasgoneto去了某地4.Wherethereisawill,theresaway.5.ItwasnotlongbeforeIforgotitall.6.need/want/require+tobedone/doing7.donothingbutdo;havenochoicebuttodo8.Theboyhashisownideaofhowtofinishit.9.Heiseasytodealwith./Youareluckytogetthereontime.10.Inorderto/tosoastofindago...