2x2-8=( )
2(x-1)(x+2)
The hunter ____ down and ____ to the farmer that he had___ his gun against the tree. [ ]
A. lay, lied, laid
B. lay, laid, laid
C. laid, lay, lied
D. laid, lied, lay
五代十国时期,十国当中唯一在北方的国家是()
A.南唐
B.前蜀
C.北汉