Excuse me.Could you wake me up when my friend______here?-Of course.But we still don’t know when your friend ____ here.

I’m thirsty, Steven. Please pass ____ a bottle of water.

Is that _ _ schoolbag? —No. __ _is white.

Look at the ______ ! It’s ______ heavily now.

Mr. Smith, would you please speak a little more __________?— Sorry! I thought you would follow me.