Giúp tớ làm bài tập này với
Hoàn thành câu với những từ cho trước, chia dạng thích hợp
conserve, erode, elimiate, circulate, destroy, constant, pollute, defend, endanger, disappear
1.The world's rain forests must be safe from........
2.Major steps are being taken to control the ..... of beaches.
3.People are .... doing harm to the environment.
4.Water ..... is necessary for hydropower station
5.The govement has made no attempt to reduce soil...
6.He stressed the need to passa law in nature's'.....
7.Many species of plants and animals have been virtually.....
8. Trees, grasses, and other plants life play an important part in the natural... of water.
9.Modern farming practice has led to the virtual..... of this bird
10.The giant panda is an ... species
