Life today has brought about new problem. One of the biggest problems of every nation is pollution. In America, there are laws {#blank#}1{#/blank#} the air and water clean. These are new laws and it has taken much time{#blank#}2{#/blank#} a polluted river or lake. Now the fish are healthy again and people can enjoy {#blank#}3{#/blank#} in the clean water. 
   When food is brought from the store to the home, it is packed in paper, glass, or plastic. Every day a newspaper comes to the home. Americans use {#blank#}4{#/blank#} all these materials in the garbage which was picked up by a large truck. The truck these materials to a garbage dump or a land-fill. The truck dumped the garbage into a large hole and then earth was pushed over the garbage until the hole was filled. Then, a new hole must be found.
As the years went by, the garbage increased as the population {#blank#}5{#/blank#} . Scientists suggested using some garbage again. They advised businessmen {#blank#}6{#/blank#} money by recycling or using paper, glass, and plastic again.
   Now, a recycling truck comes to each home once a week {#blank#}7{#/blank#}  up materials. American families are told {#blank#}8{#/blank#} their newspaper in boxes and clean all glass, and plastic. The truck takes them to factories for recycling.
   Recycling is a way {#blank#}9{#/blank#} the environment from pollution by {#blank#}10{#/blank#}  many materials again.

(1)Liu Qian put some coins in a magic box and said “These coins {#blank#}1{#/blank#}soon.”
(2)I{#blank#}2{#/blank#}  in the USA for many years, but I've never regretted my final decision to move back to China.
(3)My father and I {#blank#}3{#/blank#}  my grandparents in New York this time last year.
(4)Google's Street View map service{#blank#}4{#/blank#}  millions of users since 2007.
(5)Listen! How nice the soft music {#blank#}5{#/blank#} !