46. go to sea, by sea, by the sea

　　50. in charge of, in the charge of

　　in charge of 管理，負(fù)責(zé)照料， in the charge of 由……照料 He is in charge of the matter.

　　The matter is in the charge of her.

　　51. in class, in the class

　　in class 在課上，in the class 在班級(jí)里 He is the best student in the class.

　　52. on fire, on the fire

　　on fire 著火, on the fire 在火上 Put the food on the fire. The house is on fire.

　　53. out of question, out of the question

　　out of question 毫無(wú)疑問(wèn)的，out of the question 不可能的

　　54. a second, the second

　　a second 又一，再一，the second 第…… He won the second prize.

　　55. by day, by the day

　　by day 白天，by the day 按天計(jì)算 The workers are paid by the day.

　　56. the people, a people

　　the people 指人，a people 指民族 The Chinese is a peace-loving people.

　　57. it, one

　　it 同一物體，one 同類不同一 I lost my pen. I have to buy a new one.

　　58. that, this

　　that 指代上文所提到的，this 導(dǎo)出下文所要說(shuō)的 I was ill. That‘s why ….

　　59. none, nothing, no one

　　none 強(qiáng)調(diào)有多少，nothing, no one 強(qiáng)調(diào)有沒(méi)有，nothing 指物，no one 指人

　　- How many …/ How much …? - None.

　　60. anyone, any one

　　anyone 指人，不能接 of，any one 指人物均可，可接 of any one of you