—Can I have a day off tomorrow, Mr. Johnson?

—__________. I can manage without you.[ ]

A. Forget it

B. I'm afraid not

C. It depends

D. Of course

美术水磨石面层开磨时间与______有关。应以水泥石粒浆有______，开磨后石粒不会松动，水泥浆面与石粒面______为准。