35.With such a short time (leave)______,it’s impossible for US to finish this complicated experime
问题描述：
35.With such a short time (leave)______,it’s impossible for US to finish this complicated experime
为何填left,而不填has been left
答
35.With such a short time (leave) LEFT ,it’s impossible for US to finish this complicated experim
left是过去分词做伴随状态,与finish这个动作同时发生.句子可以这样改写：
As there is so little time left,it is impossible for US to finish this complicated experim