单项选择题A．He has a good sense of direction.B．He owns a smart car.C．He doesn’t know how to drive.D．He doesn’t know the way to the woman’s hous

填空题The icebergs are rarely seen because ______.

填空题This passage gives an introduction of ______.

单项选择题A．Coorler weather.B．Raining.C．Warm and sunny.D．Stormy.

单项选择题A．A chemistry class.B．A biology class.C．A mathematics class.D．A physics class.