—I promise to go shopping with you if you help me with the housework.

—________ You are the last person to keep a promise.[ ]

A. That's great!  

B. Come off it!

C. I don't agree.  

D. I don't believe so.

不属于牙体解剖应用术语的是

A．触区

B．唇面

C．中线

D．线角

E．牙槽骨区