1.Polo usually goes to work by bus,but sometimes by train.
2.This car is newer than that one.
3.You'd better take a map of this city with you.
4.There are many different kinds of buses in the city.
5.The desk which has many books is Tom's.
1.look看起来
2.free有空的
3.call叫
4.see,看见round圆的
5.with,有in,在……里 about （what about ...固定用法）