The large grassland, reaching out far away, looks extremely beautiful the blue and clean sky.
A. with
B. against
C. through
D. beyond
网友回答
A. with
(答案→)B. against
C. through
D. beyond
解析:考查介词用法。against prep.以……为背景,衬托着。句意为:大片的草地,延伸到远方,以蓝天白云为背景,看起来极为美丽。