I. Fill in the blank with the word or phrase in the following passage. The country and the city have advantages and (1)______. People in the country live in more beautiful surroundings. They enjoy (2) ______ and quietness, and can do their work at their (3) ______ pace because no one is in a (4) ______. They live in larger, more comfortable houses, and their neighbours are more friendly, and ready to help them (5) ______ they need it. their life. However, can be (6) ______ and they may be isolated, which is a serious problem (7)______ they are ill or want to take children to school. The city has all the services that the country lacks, but it (8) ______ has a lot of disadvantages. Cities are often polluted. They not (9)______ have polluted air but also have noisy streets. Everyone is always in a hurry and this (10) ______ that people have no time to get to know each other and make friends.