Without animals and the information the animals gave, it______man much longer to go into space.

admin2014-08-25  31

问题 Without animals and the information the animals gave, it______man much longer to go into space.

选项 A、would take
B、took
C、had taken
D、would have taken

答案D

解析 虚拟语气题。本题为虚拟语气,由于人类现在已经步人太空,本句是针对过去的虚拟语气。主句用would have done的形式。
转载请注明原文地址:https://kaotiyun.com/show/4XxO777K
0

随机试题
最新回复(0)