“_____are you going?” “I’m going to the library.”

_______ everyone is here, let’s begin our meeting.

Learning to write is learning to think. You don’t know things clearly _______ you can write them down.

It’s too late to invite any more people. ______, you know how Tim hates parties.

    --- Hurry up! The bus is coming.--- Wait a minute. Don’t cross the street        the traffic lights are green.