Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 31 to 35.Many products such as paper, cardboards

1/40

The passage mainly discusses ____.

how recycling waste helps reduce pollution

how to reduce pollution by using waste materials

the most useful waste materials in daily life

a simple benefit of water pollution

Giải thích

Đáp án đúng: A

Giải thích: Nội dung chính của bài văn bàn về tái chế chất thải giúp giảm ô nhiễm như thế nào.