漏电保护器后方的线路的零线只允许连接（）线。
A、用电设备的工作零线
B、PE
C、PEN
D、地
参考答案：A
I am a fan of Liu Qian. _____ his magic ________ his humor attracts me.
A．Both… and
B．Either…or
C．Neither…nor
D．Not only… but also
He to wait for half an hour because of the bad traffic．
A．tells
B．told
C．was told
D．asked
