Tham Gia Group Dành Cho Lớp 8 Chia Sẻ, Trao Đổi Tài Liệu Miễn Phí
B. come
C. came
and
6. Ships spill oil in oceans and rivers. This results
plants.
the death of many aquatic animals
A. to
D. at
B. in
C. from
7. Households
A. damage
8. What is the main
_waste into the river so it is polluted.
C. lose
of visual pollution?
Because there are too many adv ...