问题
选择题
We_______such great progress without your efforts. Thanks a lot.
A．shouldn’t have made
B．couldn’t have made
C．were unable to make
D．mustn’t have made
答案
答案：B
搜题请搜索小程序“爱下问搜题”
We_______such great progress without your efforts. Thanks a lot.
A．shouldn’t have made
B．couldn’t have made
C．were unable to make
D．mustn’t have made
答案：B