口腔癌最好发部位是
A.唇
B.牙龈
C.口底
D.腭
E.舌
参考答案:E
My bag is different _________ yours, but it is the same _________ hers. [ ]
A. with, with
B. with, as
C. from, as
D. from, with
绝对禁止活塞退到底或()停机。