II. Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences in the following questions.

Câu hỏi

The government initiated a program to improve the water quality of the Nhieu Loc canal years ago. It doesn't stink any more.

A. Before the government initiated a program to improve the water quality of the Nhieu Loc canal years ago, it hadn't stunk any more.

B. As the government initiated a program to improve the water quality of the Nhieu Loc canal years ago, it doesn't stink any more.

C. If the government had initiated a program to improve the water quality of the Nhieu Loc canal years ago, it wouldn't have stunk any more.

D. Although the government initiated a program to improve the water quality of the Nhieu Loc canal years ago, it doesn't stink any more.

Unit 3. THE GREEN MOVEMENT (Bài tập 6) - Tiếng Anh lớp 12