根据意思写词语。
(1)由不得自己,控制不了自己。( )
(2)看见别人有某种长处、好处,希望自己也有。( )
(1)不由自主
(2)羡慕
已知关于x的多项式ax-bx合并后结果为0,则a与b的关系是______.
Sorry, I ______ when you spoke. I was thinking about something else. [ ]
A. isn't listening
B. hasn't listened
C. didn't listen
D. wasn't listening