阅读下面短文,从短文后各题所给三个选项(A、B、C)中,选出可以填入空白处的最佳选项。
We go to many places every day. 1 do you usually travel? Do you usually walk or ride bikes?
In a modern city, there are many 2 for you to choose when you go travelling. If you are in a hurry, you can take a 3. Taxis don't 4 to stop at the bus stops. And the driver can take you to any 5 you want to go to.
6 travelling by taxi costs much money. So you can also choose to take the underground. It is much faster than buses. You don't have to 7 a lot if you travel by underground. When you are not busy, you can take a bus, then you can also 8 the scenery (风景) of the city on it.
If you want to 9 travelling 10 foot or by bike may be good for you. Walking can make you healthy. Today, many people have cars. But do you think it is a good thing to have too many cars in the street?