问题
选择题
— We must start out early, _____ possible traffic delay.
— Yes, we can easily _____ in it.
[ ]
A. allow for; get struck
B. allowing for; get struck
C. allow for; get stuck
D. allowing for; get stuck
答案
答案：D
，A*是A的伴随矩阵，则(A*)-1=( )