脊柱裂最常发生的部位是:()
A.腰骶部
B.腰部
C.胸部
D.颈胸部
E.颈部
参考答案:A
-Why is the girl crying so sadly?
-She is forbidden_________ in __________ her sick mother. [ ]
A. dropping ; on
B. to drop ; on
C. dropping ; at
D. to drop; to
— How are you today?
— ___________[ ]
A. I am boy.
B. I'm fine.