Bike-sharing is a new choice for short journeys in cities. It is good to the ________ development of the big cities.

A ________ by a company found that shared bikes started the nation’s ________ for bikes again.

Now more and more Chinese people are ________ bikes instead of cars to make short journeys in cities.

An engineer of that company says that since the ________ of shared bikes, people have made fewer trips by car. The love for shared bikes is not only among ________ people, who were born in the 1980s and 1990s, but also among people over sixty.

At weekends, the number of the riders in Shenzhen reaches the ________ of all cities. On weekdays, the number of people who use shared bikes to travel to world is ________ in Shanghai.

It is said that bike-sharing will help ________ the cities’ environment. It not only helps solve the traffic problems, but also will help to make more use of space in cities. Take Beijing as an ________ if more people choose shared bikes, an area of five Bird’s Nest stadiums（体育场）will be saved.

How often do you do outdoor activities? I’m sorry to say that I do outdoor activities ________ than once a week. I know it is not a ________ way of living for a 14-year-old boy. ________ I really don’t have much time for outdoor activities. I love ________. I am a member of the swimming team and the ________ team in school. I ________ every Monday and Thursday, and I play volleyball every day after school. But I ________ the teams in September last year, because I had to spend more time ________ my study. Now I have little time to do outdoor activities or have fun. I ________ watch TV or play computer games.

The summer holiday is coming. My father asks me to do outdoor activities with him. He thinks ________ is very important. I hope I have little homework and can do some outdoor activities.