上岗期间接听手机导致乘客投诉属于（）
A、有效无责
B、有效有责Ⅲ类
C、有效有责Ⅱ类
D、有效有责Ⅰ类
参考答案：C
—Why does she always ask you for help?
—There is no one else _______, is there?
A．who to turn to
B．she can turn to
C．for whom to turn
D．for her to turn
以动物为演员的剧作形式是（）。
A．木偶剧
B．歌剧
C．话剧
D．动物剧
