----- Nội dung dịch tự động từ ảnh -----
19. There is light pollution here. I cannot see the stars at night.
A So there is light pollution here, I cannot see the stars at night.
B. There is light pollution here, so I cannot see the stars at night.
C. Because of there is light pollution here, I cannot see the stars at night.
D. Because I cannot see the stars at night, there is light pollution here.
a bạn: A B
20. If the local people_
to use polluted water.
(have) fresh water, they wouldn’t have