Trắc nghiệm Unit 10 Tiếng Anh lớp 10 phần Writing...

A. We are now faced to the problems of environment.

B. We now faced with the problems of the environment.

C. We are now faced with the problems of the environment.

D. We are now faced by the problems of environment.

A. Soil erosion results when forests are cut carelessly.

B. When soil erosion results, forests are cut down carelessly.

C. When forests cut carelessly, soil erosion results.

D. Soil erosion results when forests are cut down carelessly.

A. Rivers, streams, and seas is being dirtied by activities on land.

B. Rivers, streams, and seas are being dirtied by activities on land.

C. Rivers, streams, and seas is being dirtied by land activities.

D. Rivers, streams, and seas are being dirtied activities on land.

A. Polluted air chiefly is a city problem.

B. Polluted air is chiefly city problem.

C. Polluted air is chiefly a city problem.

D. Polluted air is a city problem chiefly.

A. Many species of plants and animals are in danger of extinction.

B. Many species of plants and animals are danger of extinction.

C. Many plants and animals were in danger of species extinction.

D. Species of plants and animals are in many danger of extinction.