问题
选择题
Not until I began to work ____ how much time I had wasted.
A．didn't I realize
B．did I realize
C．I didn't realize
D．I realized
答案
答案：B
搜题请搜索小程序“爱下问搜题”
Not until I began to work ____ how much time I had wasted.
A．didn't I realize
B．did I realize
C．I didn't realize
D．I realized
答案：B