35. My parents always criticize me for not getting good grades at school. I wish they put themselves in my **shoes**.
36. He wondered **why**.
37. He **gained** a bachelor's degree in computer information systems in 1951.
38. "You must come to my party," she told me.
Corrected: **She told me I had to come to her party.**
39. "My life's got stuck these days. I am so depressed and unable to think of anything."
Corrected: **Stay calm. Everything will be alright.**
40. "Mom, I've got the first rank in class this semester!"
Corrected: **Well done!**
41. Astronauts **were used to stay** in their spaceship, but they frequently work outside now.
42. People **used to think** that the earth is round before.
43. Tuberculosis **used to be thought** incurable before.
44. Formerly babies **used to die** of whooping cough.
45. These city girls are used **to working** in the field.
46. Newton **used to believe** in alchemy.
47. I am sorry I am not **used to driving** fast.
48. Frank used to work in a small shop. He **doesn't anymore**.