a)Oxford,Cambridge ,university,cities,famous. b)Great Britain,not long,many of them,rivers,deep, c)Most of,mountains,Scotland,not

a) The famous university cities are Oxford and Cambridge. b) The rivers in Great Britain are not long but many of them are deep. c) Most of mountains in Scotland are not very high. d) The English spend holidays in the Lake District. e) The most important seaports are Glasgow, Liverpool, London, Plymouth, Southampton, Portsmouth.