Yes,there were. No,there weren't. 再问： 1.yes,there are.there---no tunnels 30 years ago. 2.was there a---?no,there----.there isn't a subway nom,either.3.there---a lots of mobile phones now.but 30 years ago,there----a few4.---there any 30 years ago?yes,but there---many. now,in my hometown,young people an like playing computer games. 再答： 1.were 2.subway, wasn't 3.are, were 4.Were, weren't
