Question

（2011·浙江温州十校联考）19．We may be going skiing at Christmas, but it’s still all up __________．We’ll probably make the decision the day after tomorrow.

       A．in the wild                                           B．in the distance        

       C．in the air                                             D．in the long run

Answer 1

C考查短语的含义。此处up in the air意为：悬而未决。