Choose the sentence that best combines each pair of sentences given. More factories are built in cities. Air quality gets worse.

20/20

Choose the sentence that best combines each pair of sentences given.

More factories are built in cities. Air quality gets worse.

More factories are built in cities, because air quality gets worse.

Air quality gets worse because more factories are built in cities.

Air quality gets worse although more factories are built in cities.

More factories are built in cities, so air quality gets worse because.

Giải thích

Đáp án đúng: B

Giải thích: Cần liên kết nguyên nhân – kết quả → dùng because + S + V (bởi vì).

Dịch nghĩa: Chất lượng không khí trở nên tồi tệ hơn vì nhiều nhà máy được xây dựng trong các thành phố.