百叶胃指的是（）
A、前胃
B、真胃
C、网胃
D、瓣胃
E、瘤胃
参考答案：D
s因子
— There are two new cars in front of the building.
— One is Bill's, ______ is the manager's.[ ]
A. other
B. another
C. others
D. the other
