补全对话, 其中有两个多余选项。

A: Linda, do you like your job?

B: ____ I think teaching is a lot of fun.

A: ____

B: I feel happy when the students do better jobs

A: Anything else?

B: ____ They make me feel younger.

A: That's amazing! ____

B: No, not at all.

A: ____

已知集合$M=\left\{x|x<1\right\}$，$N=\left\{x|2^x>1\right\}$，则$M\cap N$=（   ）