Câu 1: Paul doesn't think about the planet. He will waste so much water. ( If ) Câu 2: Unless we take action immediately, the air will become completely polluted. ( If )

1 câu trả lời

Paul doesn't think about the planet. He will waste so much water. ( If )

 If Paul thought about the planethe wouldn't waste so much water

⇒Câu điều kiện loại 2

Unless we take action immediately, the air will become completely polluted. ⇒( If )

 If we don't take action immediately,the air will become completely polluted

⇒Loại 1