船舶靠离时司机应在（）等待靠离泊，并且对讲机调至中央频道。
A、俯仰室
B、驾驶室
C、大车地面操作台
D、以上均可
参考答案：B
Mo Yan was awarded the Nobel Prize for Literature in 2012, __made one of the Chinese people’s long-held dreams come true.
A．it
B．that
C．what
D．which
I can’t understand ____________ the boy alone.
A．why did she leave
B．why had she left
C．why she left
D．why she had left
