This pair of jeans looks nice Sandy because she looks very nice blue.A. on; inB. in; onC.

问题补充：

This pair of jeans looks nice Sandy ,because she looks very nice blue.

A. on; in

B. in; on

C. for; on

D. to; in

答案：

(答案→)A. on; in

B. in; on

C. for; on

D. to; in

解析：on在什么的上面，衣服穿在某人的身上，一般用介词on。穿什么颜色的衣服用介词in，“in+颜色”这里表状态，身穿蓝色。