1):Thisisall____Ikonwaboutthematter.A:thatB:whatC:whoD:whether2):Doyoustillremembertheday____wefirstmet?A:thatB:onthatC:whereD:when3):Ihavenoideaabouttheman____wrotethearticle.A:whichB:whomC:whoD:he4):Theyaretaki

　　1):Thisisall____Ikonwaboutthematter.

　　A:thatB:whatC:whoD:whether

　　2):Doyoustillremembertheday____wefirstmet?

　　A:thatB:onthatC:whereD:when

　　3):Ihavenoideaabouttheman____wrotethearticle.

　　A:whichB:whomC:whoD:he

　　4):Theyaretakingcareofthepatient____doctorsjustperformedanoperation.

　　A:onwhoB:onwhomC:whoD:whom

　　5):Doyouknowthenameoftheboy_____sisterisyourclassmate?

　　A:whoseB:whoC:thatD:which

　　6):Itismyfault____couldnotbeforgiven.

　　A:whoB:whichC:itD:is

　　7):JohnaskedMaryifitwastheplace___sheboughtthegift.

　　A:whatB:thatC:whichD:where

　　8):Thisisthebook_____youwerelookingforyesterday.

　　A:whoB:whereC:/D:when

　　9):Youdidn'ttellmethereason___hewassohappy.

　　A:whenB:whereC:whyD:who

　　10):Itrainedheavilyyesterday,________preventedmefromgoingtotheshop.

　　A:thatB:whichC:whoD:when

　　(说下选择该项的理由,）