更换信号灯要选择电压、电流等级、型号、外形尺寸相同的合格信号灯，还要选择（）的信号灯。
A、价格相同
B、颜色相同
C、型号相同
D、接线相同
参考答案：B
--- Our teacher wants us to be ______ when we talk with the foreigners.
---Yes, we should believe in ourselves.
A．creative
B．comfortable
C．energetic
D．confident
Since she inherited her father’s fortune, she is completely independent () her husband.
A. from
B. on
C. of
D. with
