Fill in the numbered blanks in the passage with one suitable work form the box. Garbage is a (1) ................ problem in the U.S. Every year, Americans produce 308 billion pounds. A lot (2) …………… garbage goes into the landfills. But many landfills do not have room for all the garbage. The (3) ……........ to the garbage problem is recycling. Half of all the garbage in the U.S can be recycled and used again. Recycling (4) …………… the landfill problem and saves enough energy too. When people recycle newpapers, they save (5) …………. . When they recycle glass, plastic, or cans, they save oil and electricity. Recycling is good for everyone 1. A.difficult B. serious C. pleased D. dangerously 2. A. about B. for C. of D. from 3 A. talk B. tell C. answer D. ask 4. A. helps B. reuses C. does D. makes 5. A. water B. trees C. electricity D. paper