________he referred to in his article was often discussed by many people in the past

Most of the kids in our school enjoy pop songs, somehit songs on the Interne like Gangnam Style.

Now young people like to go to the fast-foodrestaurant,____ ,as the name says,eating doesn’t take much time.

There are many tall trees on _______ side of the road.

28 It is only when agriculture is fullydeveloped___________industry can have abundant materials and markets