The passage discusses a way to deal with an offensive noise by_________.
Đáp án C
Thông tin ở câu thứ 2 và 3 của đoạn đầu tiên: One way to keep from hearing sound is to use ear plugs. Another way is to cancel out the sound with anti-sound. (Một cách để cách âm là sử dụng nút tai. Một cách nữa là triệt tiêu âm thanh với dụng cụ chống âm)
It never________ my head that such a terrible thing would happen.
You may borrow as many books as you like, provided you show them to ________ is at the checking desk.
How long does it take the children to walk to the golden sandy beach on foot?
The word contest in the last sentence could be replaced by___________.
Sarah delivered a/an ________ appeal to the court and asked for mercy.