People (8) in these areas are at a higher risk of developing (9) problems due to poor air quality.

9/40

in these areas are at a higher risk of developing (9) ____ problems due to poor air quality.

health

healthier

healthiness

unhealthy

Giải thích

Đáp án đúng: A

health problems = những vấn đề sức khỏe

Dịch nghĩa: People living in these areas are at a higher risk of developing health problems due to poor air quality. (Những người sống ở khu vực này đang có nguy cơ mắc các vấn đề sức khỏe do không khí bị ô nhiễm.)

People (8) ____ in these areas are at a higher risk of developing (9) ____ problems due to poor air quality.

People (8) in these areas are at a higher risk of developing (9) problems due to poor air quality.