Trắc nghiệm tổng hợp Tiếng anh có đáp án 2023 (Phần 74)

How are the seas and rivers nowadays?

6/88

How are the seas and rivers nowadays?

are contaminated

cannot be swum in

are dirty enough to swim in

are less dirty than they used to be

Giải thích

Đáp án A

Dẫn chứng “The seas and rivers are too dirty to swim in.”