We are not prepared to compromise _____ the price of the computer[ ]

I’m wondering why Mr. Smith hasn’t _yet.

Hey, man. You can’t cross the street now. you have to wait ____ the traffic lights turn green.— Oh, sorry and thank you.

Why didn’t you come to Simon’s party last night?— I want to, but my mom simply _____ not let me out so late at night. [ ]

.____ the temperature falling so rapidly, we couldn’t go on with the experience.