Do you like _________ music?[ ]
A. west
B. China
C. Chinese
答案：C
Why not think about ______ to Greece?
A．went
B．going
C．togo
D．goes
急性牙髓炎的自然结局是（）
A.牙髓变性
B.牙髓萎缩
C.牙髓坏死
D.牙髓钙化
E.牙髓充血
