You have to keep your eyes___,and we will see who can find the best place ,

题目

You have to keep your eyes___,and we will see who can find the best place ,
A.opend B.open C.opening D.to be open

答案

keep+宾语+形容词,固定句式,那么open除了动词的【打开】意思外,还有形容词的【打开的】意思
因此【open】本身就是个形容词
答案选【B】
翻译：【你不得不保持眼睛睁开,然后我们才知道谁能够找到最好的地方.】
祝学业进步!