I.Give the correct form of the word given to complete the sentences
1. You should bring suits clothes for this cold weather. (suit)
2. Some people have hard breath symptoms because they have lived in polluted atmosphere for a long time. (breath)
3.My son solved his own difficult problems very intelligent him very much, so I was so pround of. (intelligent)
4.He hopes to invent a modern engineers to reduce the amount of polluted gases. (engineer)