new graduate, he doesn’t know_______it takes to start a business here.

Hearing the ______ news, all the students were ______.[ ]

Will you go out to play for a while, Kate? —Not I finish all of my homework

How are you going to the train station to meet your aunt—I’m going there ______ my car.

Why did you go back upstairs?— I thought I had left the window ______. [ ]