We are concerned with the problem of energy resources we must also think of our environment.

1585/1620

We are concerned with the problem of energy resources _________ we must also think ofour environment.

despite

though

as though

but

Giải thích

Đáp án D.

In spite of/Despite + N/V-ing: mặc dù

Though/ As though + mệnh đề: mặc dù

But: nhưng, thường đứng giữa câu

Dịch nghĩa: Chúng ta lo ngại về vấn đề nguồn năng lượng nhưng chúng ta cũng phải nghĩ về môi trường của chúng ta.