Daisy's class had a painting lesson with Ben's class. The teacher told them 1 different colors. 'There are three primary colors,' she said. 'Who knows 2 ?' All the children 3 their hands. Everyone knew the primary colors: red, blue and yellow. ' 4 know what a secondary color is?' the teacher asked next. Ben knew. He put up his hand. ' It's a color made from two primary colors,' he said. 'Can you give me 5 ?' the teacher asked. 'Orange,' Ben said. 'We make orange by 6 red and yellow.' Daisy put up her hand. 'Purple is 7 secondary color,' she said. 'We make purple by mixing red and blue.' 'Good,' the teacher said.' Now I want you all 8 a secondary color. ' The children began mixing colors. The teacher 9 round the class. She looked at all the colors the children were mixing. She 10 Harry's easel(画架). 'What color is that?' she 11 him. 'I don't know,' he said. 'I mixed all the primary colors 12 ,' he said. 'I wanted to see what color 14 .' 'That 15 secondary color,' the teacher said. 'That 16 mud(泥巴)!' (     )1. A. to make (     )2. A. what they are (     )3. A. put down (     )4. A. Does anyone (     )5. A. an idea (     )6. A. mix (     )7. A. another (     )8. A. do (     )9. A. walked (     )10. A. came to (     )11. A. said (     )12. A. each (     )13. A. can I get (     )14. A. is (     )15. A. looks B. what to make B. what are they B. put up B. Is anyone B. a way B. mix up B. the other B. to do B. goes B. came B. said to B. then B. I can get B. is B. looks like C. how to make C. where they are C. put off C. Does someone C. an example C. mixing C. other C. make C. ran C. went C. asked C. together C. did I get C. is not C. looked D. why to make D. where are they D. put on D. Is someone D. a color D. to mix D. one D. to make D. talked D. visited to D. asked for D. all over D. I got D. is not a D. looked like