61.John asked me   ......................  in English.

            A. what does this word mean             B. what that word means       

C. what did this  word mean              D. what that word meant

62. The mother told her son ................ impolitely.

            A. not behave              B. not to behave          C. not behaving                       D. did not behave

63. She said she ............ collect it for me after work.

            A. would                     B. did                          C. must                                    D. had

64. I have ever told you he ................. unreliable.

            A. is                             B. were                        C. had been                             D. would be

65. Laura said she had worked on the assignment since................

            A. yesterday                B. two days ago          C. the day before                    D. the next day

66. John asked me ............... interested in any kind of sports.

            A. if I were                 B. if were I                  C. if was I                               D. if I was

67. John asked me ................. that film the night before.

            A. that I saw               B. had I seen               C. if I had seen                       D. if had I seen

68. Peter said that he had lived in London 4 years .............. .

            A. ago                         B. before                     C. later                                    D. then

69. The guest told the host that ......................

             A. I must go now       B. he must go now      C. he had to go now               D. he had to go then

70. The teacher told Joe ...................

            A. to stop talking        B. stop talking             C. stops talking                       D. stopped talking

71. She said she ........................ 

            A. was very tired last night                             B. was very tired the night before 

C. had been very tired last night                     D. had been tired the night before

72. Emily said that her teacher ...................... to London ................................

            A. will go/ tomorrow                                      B. went/ tomorrow                 

C. would go/ the next day                              D. had gone/ the next day

73. She told the boys .................. on the grass.

            A. do not play             B. did not play            C. not playing                        D. not to play

74. She asked .................

            A. where was her umbrella                             B. where her umbrella was     

C. where were her umbrella                            D. where her umbrella were

75. Jason asked me ................me the book the day before.

            A. if who gave            B. if who has given     C. who had given                   D. that who had given

76. Robert said that his  father ................ to Dallas the year before.

            A. goes                        B. went                        C. has gone                             D. had gone

77.He wanted to know ................ shopping the previous morning.

            A. if we had been going                                 B. that if we had been going   

C. we were going                                            D. that we were going

78. He asked me.........Robert and I said I did not know........

A. that did I know/who were Robert             B. that I knew/who Robert were

C. if I knew/who Robert was                         D. whether I knew/who was Robert

79. The mother asked her son.........

A. where he has been  B. where he had been C. where has he been           D. where had he been

Bài 4: Chuyển những câu trực tiếp dưới dây thành câu gián tiếp

1.      I told my teacher:” I forgot to do my homework”.

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2.      “Mr. Brown owns two cars and three houses”. Jim said.

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3.      She said to me:” I can’t do it by myself”.

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4.      My mother said:” I will go on a business trip next week”.

_____________________________________________________________________

5.      My manager said:” Someone broke into our office yesterday”.

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6.      He told me:” You may have trouble if you don’t do your homework”.

_____________________________________________________________________

1 I told my teacher "I forget  to do my home work

=> I told my teacher 

2 "Mr .Brown owns two cars and three houses " Jim said

Jim said 

Ngành công nghệ nào sản xuất ra các chế phẩm vi sinh dùng trong chăn nuôi, trồng trọt và bảo quản thực phẩm?

Tìm kk để phương trình 2(4x+1)+6 =(x+3)\(2x+k)2(4x+1)+6=(x+3)(2x+k) có nghiệm x = -1x=−1.

Đáp số: k= 

.

Viết phương trình phản ứng và phân loại phản ứng :

a.       Oxi tác dụng với sắt, natri, lưu hùynh, metan, kali, nhôm, photpho, nitơ, cabon.

b.      Hidro tác dụng với sắt (II) oxit, sắt (III) oxit, thủy ngân (II) oxit, chì (II) oxit, oxit sắt từ, oxi, đồng (II) oxit.

c.        Điều chế oxi từ kali clorat, thuốc tím (kali pemanganat), nước.

d.      Điều chế hidro từ Al, Fe, Zn , Mg với HCl, H2SO4 loãng

e.       Nước tác dụng với Na, K, Ca, Ba, vôi sống, BaO, natri oxit, kali oxit, SO3, P2O5, khí cabonic, đinitơ pentaoxit, khí sunfurơ (lưu huỳnh đioxit).