—Oh, dear. I thought they were both sugar and wanted to put them together.

—But recently I've started to do sports.

Look! She is a policeman .

The man sitting is my best friend.

    There are many different kinds of stories. Detective (侦探) stories have been popular since Conan Doyle  (write) his famous stories about great detective Sherlock Holmes. Readers read this kind of stories mainly for pleasure.

    In a story, a man was murdered. Who did it and why? Mr X hated the dead person and wanted  (kill) him, but had no chance. He was somewhere else when the murder  (take) place. Mr Y could do it  (easy), but seemed to have no reason to do it. Mr Z had reason for killing him  he had already got all the dead  (man) money. Was X, Y or Z the murderer? Or was it somebody else? In the end, the detective will find out the answers  all the questions, and the story will not end until the mystery  (solve).

    The ending is always unexpected. The criminal turns out to be that nice Mr C, who you thought would never hurt  ant! At the end of the story, all the clues become clear and you will say, "Oh yes, of course, it is the  (true)."

    If anyone can be called a scientific giant after Albert Einstein, that person must be Stephen Hawking. On March 14, 2018, the world-famous British scientist died at 76 in Cambridge, UK.

    Stephen Hawking was born on January 8, 1942 in England. When he was a boy, he 1 to study how things worked. His father wanted him to 2 a doctor, but he didn't want to. He had great 3 in science.

    Hawking got a very serious 4 called ALS at the age of 21. He couldn't walk or speak. Only three of his fingers could move. He could only communicate with others by computer. At first, Hawking was very sad. Later he 5 to see his life in a different way. He worked 6 and went on with his studies. Then he made some great 7 in science. He wrote many great books. The most 8 one is A Brief History of Time. In the book, he explains the 9 and end of the universe. He also wrote books for 10, like George and the Bing Bang(《乔治的宇宙大爆炸》). They help kids learn about space. And he gave speeches at universities. His unusual life encourages many young people.

    Hawking has left us. But just as his children said after his death, Hawking's works and spirits will live on for many years.

David lost his temper and the driver.