Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
Alternative sources of energy have environmental advantages. It’s not easy to make full use of them.
A. Because alternative sources of energy have environmental advantages, it’s not easy to make full use of them
B. Alternative sources of energy have environmental advantages, so it’s not easy to make full use of them
C. Despite their environmental advantages, it’s not easy to make full use of alternative sources of energy
D. Although alternative sources of energy have environmental advantages, but it’s not easy to make full use of them
Đáp án C
Kiến thức: liên từ
Giải thích:
Mệnh đề nguyên nhân kết quả: Because + clause (nguyên nhân): Bởi vì
So + clause: vì vậy
Mệnh đề nhượng bộ: Despite + N = Although + clause: Mặc dù
But + clause: nhưng
Tạm dịch: Mặc dù có nhiều lợi ích môi trường, không dễ dàng để tận dụng các nguồn năng lượng thay thế.