用所给词的正确形式填空(比较级和最高级)。 1 Paris is _________ than London. (small) 2 The _________ time of the day is in the evening. Everyone is out in the street talking. (noisy) 3 Life in the country is __________ than life in the city. (quiet) 4 The __________ part of the city is down by the river. (pretty) 5 Cities are always exciting, but for me, the ___________ is Barcelona. (exciting) 6 Many cities are ________ than they were in the past and air pollution is __________. (dirty, bad) 7 The city centre is much __________ than some of the suburbs. (safe) 8 The ________ university in the world is in Bologna. (old)