Before selecting the curtain for your newly-decorated house，it’s important to know what colors look great the wall paper．
A. on
B. with
C. against
D. in
网友回答
A. on
B. with
(答案→)C. against
D. in
解析：句意：在为你的新家挑选窗帘的时候，知道什么颜色衬墙纸好看很重要。这里用against“反对，映衬着，逆着”，On“在…上面”，with“和…一起，带着”，in是“在…里面”，所以选C。