Would you mind my opening the door——_________.It’s too hot in the room.

______ _did your uncle leave his hometown—He ___ __ for nearly twenty years.

－It’s important for us to know _________ all the subjects.－Yeah, group work is my favorite.

There was a hole in the door, through which I sight of Mr. Brown sitting in a chair.

Only then did I realize that it was foolish to ___ my friends and never contact them.