Question

用方框中所给单词的适当形式填空，每个单词限用一次，使短文通顺正确连贯，将答案填写在题后的横线上。

Save,  clean,  make,  keep,  use,  put,  grow,  swim,  collect , pick

Life today has brought about new problem.One of the biggest problems of every nation is pollution.In America,there are laws __1__the air and water clean.These are new laws and it has taken much time __2___ a polluted river or lake. Now the fish are healthy again and people can enjoy __3__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 __4__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 __5__. Scientists suggested using some garbage again. They advised businessmen __6__money by recycling or using paper,glass,and plastic again.     Now,a recycling truck comes to each home once a week __7__ up materials.American families are told __8__their newspaper in boxes and clean all glass,  and plastic.  The  truck takes them to factories for recycling.     Recycling is a way __9__the environment from pollution by __10__ many materials again. 1._________  2.___________  3.___________  4.__________  5.__________ 6._________  7.___________  8.___________  9.__________  10.__________

Answer 1

1. to keep  2. to clean   3. swimming   4. to put   5. grew   6. to make  7. to pick     8. to collect    9. to save    10. using