The little girl can play_____ piano.[ ]
A. a
B. the
C. /
D. an
答案：B
The two categories of meaning of language proposed by Wilkins are ______.
A. notions and functions B. notions and formsC. forms and functions D. general and specific
车辆被牵引，在什么情况下必须用硬连接牵引装置：（）。
A、发动机损坏时
B、制动器失效时
C、喇叭失灵时
D、轮胎损害时
