No one knows exactly when the first people arrived in _______ is now called California.

依次填入下列各句横线处的成语，最恰当的一组是①李小明在这次学校举行的＂诚信＂讲演海选比赛中，台风稳重， ，成功进入复赛。②莫言讲起他在高密东北乡的故事， ，使很多文学青年也非常向往。③实干兴邦，空谈误国。没有调查就没有发言权， ，很令人讨厌。

She thought I was talking about her daughter , _____, in fact , I was talking about my daughter .

Science fiction writers often write about _______will happen in “tomorrow’s world”.

I hear that Jason is planning to buy a car.– I know. He _____ enough for a used one by next momth.