Mr. Baker, a number of students want to see you. _______ they wait here or outside?

—Must I go to the shop with you，Mum?—Err... I can make it myself，Mike. You         go with me.

—I don’t mind telling you what I know. —You _____. I can manage it myself. 

My mother is a great cook and we ________ never get enough of her cookies.

——Who’s that man? Is he Mr. Brown?——That    be Mr. Brown. He never walks this way.