50. Someone had invented electric lights before I was born.
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51. Before they took exams they had revised their lessons.
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52. When he came home his father was reading a newspaper.
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53. My father will take me to Ho Chi Minh City next week.
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54. When I was 18 years old, my parents allowed me to go out in the evening.
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55. You were wearing your new hat when I met you yesterday.
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56. He is preparing everything for the presidential election.
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57. Last Friday, when I came to Jane’s house, she had finished all exercises.
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58. Countries are finding a way to solve the problem.
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59. He put the letter in the drawer, and then he locked it up.
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60. By the end of this year, we will have learnt 2,000 English words.
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61. Her father was planting different kinds of flowers in the garden.
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62. The Prime Minister is making a speech at the moment.
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63. The doctor pulled out one of my teeth yesterday morning.
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64. His wife usually brings him sandwiches at lunch time.
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65. The light went out while I was making a cup of tea.
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66. When she went to Barcelona, she learnt some Spanish.
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67. The students of chemistry made many experiments last week.
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68. For the past years, I have done all my washing by hand.
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Loga
Sinh Học lớp 12
