(Viên chức Mầm non) bài tập tiếng Anh theo chủ đề có đáp án - Test 2

Although several methods have been applied, the water seems to be_________

59/65

Although several methods have been applied, the water seems to be_________

less and less polluted

more and more polluted

more polluted than

the more polluted

Giải thích

Đáp án đúng là b