根据短文内容及所给首字母，填写所缺单词，每空一词 I think April Fool’s Day is a very unusual festival. On April Fool’s Day, you can play jokes on others. You cannot believe(相信) everything you hear on A 1 1st. Even some main newspapers will put fake (假的) articles into their papers to fool people. I hear a story about a London newspaper. There is an article on it. It says that some r 2 will do bad things in England bank on April Fool’s Day. This m 3 many people surprised and the l 4 police are very busy. It can be fun sometimes to play tricks, b 5 you have to be careful not to go too far. O 6 April Fool’s Day this year, I c 7 my mother from my school. I tell her that I f 8 in all of my exams. She feels so bad that she starts to cry. I feel really s  9 about making her sad and try to tell her it is just a joke. April Fool’s Day jokes can be funny, but you should be c 10 not to hurt people’s feelings.