People have found many different ways to save energy.

A. Many different ways have found energy to save.

B. Many different ways to save energy have been found.

C. Energy has been found to save people.

D. Energy has found many different ways to save people.

Đáp án
B. Many different ways to save energy have been found.

Câu hỏi thuộc Bài tập:

Đề luyện thi Tiếng Anh vào 10. Đề 1.2018