different，health，while，look，good

I must say，once in a（1）

while

while

，I take the car to work if the weather is very bad，or I am very tired or in a hurry.But most of the time，I choose to ride my bike.
   I try to advise my workmates to ride to work so I did some research about the benefits（好處）of riding bikes.It is cheaper，it is（2）

better

better

for the environment，and you don't have to find a parking space.The point about the parking space is an important one as the car parks are often full.I know that my workmates sometimes spend more than 15 minutes （3）

looking

looking

for a parking space!It is true that riding is a little slower than driving，but at rush hour it doesn't make any（4）

difference

difference

.When there is heavy traffic，people on bikes can go past，while people in cars have to wait.
   There are clear health benefits of riding bikes，too.According to an expert，if you often ride bikes，you should be as （5）

healthy

healthy

as a younger person.I am 47 and I still play football in a team.
   As well as being good for your health，riding can reduce（減輕） stress.I also find that riding bikes relaxes the mind.