Trắc nghiệm Tiếng Anh Toeic - Part 7 Test (Đề 3)
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How often are the elevators inspected? A. Once a month B. Every six months C. Once a year D. Every two years

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Question 5 - 7 refer to following conversation:

How often are the elevators inspected? A. Once a month B. Every six months C. Once a year D. Every two years (ảnh 1)

5. How often are the elevators inspected?

Once a month

Every six months

Once a year

Every two years

Giải thích

Chọn đáp án C