worsen worse Next, complete each sentence below and on the next page with words from the chart above. Use the correct form of the base word and write the part of speech in the parentheses after each blank-(n) for noun, (v) for verb, (ad.) for adjective, and Cadv.) for adverb. 1. solve They are trying to find a solution (n.) to the problem of overcrowding, but this is a difficult problem to v. 2. pollute Most people know about air-r en-...i -( n ) in big citie they're just beginning to learn about the many we have inside buildings. 3. crowd There are of people everywhere; the mass transic system is especially 4. save The city is not their homes for their because of crime. People can't leave at night, and the police can't provide ( 5. beautify- Many people bring plants into their homes because the plants are cadv). However, it's possible that these plants not only (Uthe environment but also clean the air. City Life 4