1.--Canyoutellmeifhe______alltheproblemsinthirtyminutes?--I'mafraidhecan't.Ifheisgivenanotherfiveminutes,Ithinkhewill.A.willsolveB.solves2.October.1.2010istheday______I'llforeverrememberinmylife.A.whenB.onwhichC.fr

　　1.--Canyoutellmeifhe______alltheproblemsinthirtyminutes?

　　--I'mafraidhecan't.Ifheisgivenanotherfiveminutes,Ithinkhewill.

　　A.willsolveB.solves

　　2.October.1.2010istheday______I'llforeverrememberinmylife.

　　A.whenB.onwhichC.fromwhichD.that

　　3.Thereisjust______athome.Wouldyougotothesupermarketandget_____?

　　A.afewvegetables;someB.fewvegetables;any

　　C.alittlejuice;someD.littlejuice;any

　　那请问onwhich什么时候用呢？