Lily and Lucy are twins from ______. They like ______ films very much. [ ]

A. Americans; America

B. America; Americans

C. American; Americas

D. America; American

最易经淋巴道转移的口腔癌是（）。

A.唇癌

B.颊癌

C.牙龈癌

D.舌癌

E.口腔前部癌