there is little time left>_____ leave for the train station at onceAwhy don't you Bwhy hot you Cwhy not to Dwhy don't you to
问题描述：
there is little time left>_____ leave for the train station at once
Awhy don't you Bwhy hot you Cwhy not to Dwhy don't you to
答
A
表示建议
Why don't you do sth?
Why not do sth?