occur造句
31. Similar species of fish occur in Mongolia.
32. Minerals occur naturally in the earth's crust.
33. Most infections occur in childhood.
34. Most avalanche accidents occur on north- and east-facing slopes.
35. The fits usually occur at night.
36. Many suicides occur in prisons.
37. The word "gratitude" did not occur in his words.
38. Accidents regularly occur on this bend.
39. Opportunities for learning occur spontaneously every day.
40. Fish doesn't occur in the river.
41. References to pain occur throughout the poem.
42. Irregularities occur when there is no central control.
43. Technical innovation may occur directly in the factory.
44. Misprints occur on every page.
45. Of course, minor mechanical faults sometimes occur.
46. Mistakes could and, in all probability, would occur.
47. Didn't it occur to you to close the window?
48. The disturbances seem to occur in waves.
49. It didn't occur to her to ask for help.
50. Did it ever occur to you that...?
51. They expect bonding to occur naturally.
52. More deaths occur in winter.
53. Cell divisions during development occur in a fixed sequence.
54. In humans, fertilization is more likely to occur at certain times of the month.
55. It didn't occur to him that his wife was having an affair.
56. Problems only occur when this attitude is taken to extremes.
57. According to the report, most accidents occur when young children are left unattended in the home.
58. Over 90% of all new infections occur in the developing world.
59. Such events occur only when the external conditions are favorable.
60. It never seems to occur to my children to contact me.
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