Em hãy vẽ sơ đồ nguyên lý và sơ đồ lắp đặt mạch điện ở hành lang điều khiển 1 bóng đèn sợi đốt ở hai nơi với các thiết bị sau:

2 bảng điện, 1 cầu chì, 1 ổ điện và 2 công tắc 3 cực.

IV. Preposition

21. Alexander Graham Bell finally came up ........................ a new device called telephone.

22. You shouldn’t live ........................ saying “goodbye” to your parents.

23. She always goes to her office ........................ her own car.

24. This mobile phone is still ........................ warranty of our company.

25. Her son almost takes ........................ her husband. Sometimes I can’t distinguish them.

III. Complete the sentences with the correct form of the verbs in parenthese (1 pt)

26. Jack (work) ...................... for this company so far.

27. The man (look) ...................... at himself in the mirror is Mr. Brown.

28. All of the rooms in our school (decorate) ...................... before the school festival started.

29. He would rather his friends (leave) ...................... him alone now.

30. Mr. Green had his house (paint) ...................... last month.

61. Because he is tired he can’t finish the work in time.

-> Because of ………………………………………………..

62. “Why don’t you see your doctor regularly?” Said Susan.

-> Susan advised ……………………………………………

63. I had my nephew repair my new watch but it hasn’t worked any more.

-> My new watch ……………………………..

64. The train from Lao Cai to Ha Noi lasted 5 hours.

-> It is a ……………………………………………..

65. Although Mr. Tom is quite old, he runs seven miles before breakfast.

-> In spite ………………………………………..

66. I would like to choose my own clothes for my brother’s wedding.

->What ……………………………………………………..

67. David has read a lot of books, however, he can not find a good solution.

-> Although …………………………………………..

68. It is not necessary for you to finish the asignment today.

-> You …………………………………..

69. Whenever he is asked about his past, he feels uncomfortable.

-> He hates ………………………………………………..