请选择正确的答案.1.Guangzhou held the 16th Asian Games ___ 2010.A.in

请选择正确的答案.
1.Guangzhou held the 16th Asian Games ___ 2010.
A.in B.on C.with D.at
2.She knows nothing ___ music.
A.in B.about C.to D.at
3.Of the colors,blue,red and orange,which do you like _____?
A.best B.better C.well D.much
4.Guangzhou is becoming ____ and _____.
A.beautiful;beautiful B.more beautiful;beautiful
C.more;more beautiful D.more beautiful;more beautiful
5._____ the worse I seem to be.
A.When i take more medicine
B.The more medicine I take
C.Taking more of the medicine
D.More medicine taken