The word "trick or treat" in paragraph 6 is closest in meaning to ..................
Giải thích
Đáp án D
D. a Halloween custom for children in many countries.
Câu trong bài: It primarily a fun for childrcn. Children dress up in costumes like people did a thousand years ago. But instead of worrying about evil spirits, they go from house to house. They knock on door and say "trick or treat".