31. We ________ our examination next month. A. have B. shall have C. will have had D. will be having 32. We________ English this time next Monday. A. learn B. will learn C. are learning D. will be learning 33. Everything is going well. We any problems so far. A. didn't have B. don't have C. haven't had D. hadn't had 34. I________ "Chicken soup for the soul" but I haven’t finished it yet. A. read B. am reading C. have been reading D. was reading 35. When she the noise, she down to the kitchen and on the lights. A. hears; goes; turns B. heard; went; turned C. heard; was going; turned D. had heard; went; had turned 36. Christopher Columbus _______ American more than 500 years ago. A. discovered B. has discovered C. had discovered D. was discovering 37. While her mother________ dinner, the phone rang. A. cooked B. had cooked C. has cooked D. was cooking 38. The phone________ constantly since Jack won the first prize this morning. A. has been ringing B. rang C. had rung D. had been ringing 39. On July 20, 1969, Neil Armstrong ________ down onto the moon, the first person ever set foot on another planet. A. was stepping B. stepped C. has stepped D. was step 40. When boarding the plane, many passengers were annoyed because they ________ waiting in the airport for three and a half hours. A. are B. were C. have been D. had been