A:CH3﹣CH=CH2与
B: 与
C:甲苯和二甲苯
D:CH2═CH﹣CH═CH2和CH﹣CH2﹣CH2﹣C≡CH
党的十一届三中全会后,实际上形成了以谁为核心的第二代领导集体( )
Jane was shy. She would not invite her classmates____speaking English.
She is working hard all day long,which will surely________ her success in her future work.