单项选择题
A．Nancy should call the neighbors to complain. B．Nancy should introduce her children to the neighbors. C．Nancy should ask the neighbor’s son to babyish. D．Nancy should bring the neighbors a gift.
A．It is cheaper to travel by train than by plane. B．The railway station is usually at the center of a city. C．When you get off the plane you will find yourself right in the city center. D．No motorcar or plane can carry as many goods as a train does.
A．Someone spilled water on it. B．Someone lost it. C．It was made of low quality metal. D．The standard for measuring had changed.