They are Lucy __________ Lily.[ ]
A. or
B. and
C. am
答案:B
从A、B、C、D四个选项中,选出与所给句子划线部分意义相同或相近并能代替的那一项。
There is no place to sit in the classroom. [ ]
A. building
B. house
C. room
D. places
以下何种疝属于嵌顿性疝
A.Richer疝
B.Littre疝
C.滑疝
D.逆行性嵌顿