【判断题】Cave and shave forms a minimal pair.
【单选题】What is the world's longest cave?
B.
Hollach Cave (Switzerland)
C.
Sistema Ox Bel Ha (Mexico)
【判断题】前中心连折的服装,胸前呈腾空状态。( )
【单选题】Taking photograghs is strictly______there in the cave, as it may damage the precious cave paintings.