2) If there weren't so many billboards in the city, people could enjoy the view.
3) If there weren't so much light in the city at night, we could see the star clearly
4) If we didn't turn on the heater on the time, we wouldn't pay 3 million dong for electricity a month.
5) If the karaoke didn't so much noise amost every night, the residents wouldn't complain its owner.
6) If she didn't work in a noisy office, she wouldn't have a headache after work every day.
