50 câu trắc nghiệm ôn thi vào 10 Tiếng Anh - Đọc hiểu - trả lời câu hỏi có đáp án

More than two hundred years ago _______.

16/50

More than two hundred years ago _______.

the environment was polluted as much as it is today

people knew nothing about environmental pollution

air was polluted badly

people were faced with pollution

Giải thích

C

Hơn 2 trăm năm trước _______.

→ mọi người không biết gì về ô nhiễm môi trường

Thông tin: More than two hundred years ago, the term "environmental pollution" was quite strange to people.