The air is polluted..........there’s too much traffic. A- but B- therefore C- because D- however
Chào các Bạn, mình cá rằng ở đây có người biết câu trả lời cho câu hỏi của mình, có ai không nhỉ?

The air is polluted, however there’s too much traffic.

The air is polluted because there’s too much traffic.

The air is polluted, therefore there’s too much traffic.

The air is polluted, but there’s too much traffic.