属于咀嚼粘膜的是
A.唇粘膜B.颊粘膜C.软腭粘膜D.硬腭粘膜E.口底粘膜
参考答案:D
- A nice shirt! A present?
- Yes, it is. My aunt ______ it to me for my last birthday.
A.was sending
B.had sent
C.will send
D.sent
Kerberos