29. “Did you check your paper?” _ “No, I ___________ it.” ​A. checking​ B. am checking​ C. check​ D. checked 30. _ “What’s this button for?” _ “It __________ the machine.” ​A. start ​B. is to start​ C. is start​ D. is starting 31. I have never listened to jazz music before. ​A. This is the first time I listened to jazz music.​ B. This is the first jazz music I listen to. ​C. This is the first time I listen to jazz music.​ D. This is the first time I’ve listened to jazz music. 32. Where _____________? Which hairdresser did you go to? ​A. did you cut your hair ​​B. have you cut your hair ​C. did you have cut your hair ​D. did you have your hair cut 33. She’s going to the photographer’s ____________. ​A. so that her photograph be taken ​B. to have her photograph taking ​C. to have her photograph taken​ D. to have taken her photograph 34. We celebrate Mother’s Day ____________. ​A. such as to show love and gratitude to our mothers ​B. so as to show love and gratitude to our mothers ​C. in order not to show love and gratitude to our mothers ​D. so that show love and gratitude to our mothers 35. _____________ that the earth is round. ​A. It is believed ​ B. To believe​ C. There is believed​ D. People are believed