选择 my brother is good( )math a in b on c at d to they all in

选择 my brother is good( )math a in b on c at d to they all in She is not interested ___ math at all.A.for B.in C.to D.abou they had a good time_____ their school trip A on B in C at D The boy ___the bike is my brother A.on B.by C.in D.about 选择哪个I am good at math,but my physics is( )a worse b worst c This is a picture( )a hill.选择A on B in C at D of _______the morning of my 12th birthday选择：A,in B,on C,At D,fr My sister does well _ (选择）Computer Studies.A:on B:at C:in D: 3.They will study at home___computers.A.in B.to C.on D.from They went to the park () Saturday afternoon.A.on B.in C.at D He is()holiday()Beijing.a:on ,at.b:in,in.c:on,on.d:on,in 选择,They,don,t,stay,shooI,SaturdaYs,A,at,on,B,in,at,C,for,in