以下腧穴中，治疗疔疮的要穴是（）
A.大椎
B.风府
C.至阳
D.陶道
E.身柱
参考答案：E
—Has Tom come yet?
—Not yet. Let's wait a few more minutes. He promised ______.
A. come
B. coming
C. to come
D. came
There __ no water in the well.
A．has
B．are
C．is
D．have
