giúp mình câu này :

Từ đỉnh góc từ A của hình thoi ABCD kẻ AH vuông góc với BC, chia cạnh BC thành 2 đoạn thẳng. HB = 7cm; HC = 18 cm. Tính AH; AC; BD.

26. _________ to some Western cultures, children leave teeth under their pillow for the tooth fairy to collect – usually in return for some money.

A. According         B. Owing               C. Basing                         D. Depending

27.We burn ____________ to show respect to our ancestors during Tet.

   A. wood             B. paper                 C. plastic                          D. incense

Choose the sentence (A, B, C or D) which has the closest meaning to the one provided.

58. You shouldn’t point at others while talking because it is impolite.

A. It’s better for you to point at others while talking although it is impolite.

B. It isn’t better for you to point at others while talking because it is impolite.

C. You had better not point at others while talking because it is impolite.

D. You don’t need to point at others while talking because it is impolite.

59. We must finish all the homework by Thursday to meet the deadline.

A. We are obliged to finish all the homework on Thursday to meet the deadline.

B. It is obligatory for us to finish all the homework before Thursday to meet the deadline.

C. We have to complete almost all the homework by Thursday to meet the deadline.

D. The deadline is Thursday so we need to finish almost all the homework then.

60. Be on time! The water puppet show starts at 7 pm sharp.

A. Be on time! The water puppet show starts at around 7 pm.

B. Be on time! The water puppet show starts at exactly 7 pm.

C. Be on time! The water puppet show starts at approximately 7 pm.

D. Be on time! The water-puppet show starts before 7 pm.

61. You’re kidding! His current job is too good for him to quit.

A. Are you kidding me? His current job is too good for him to quit.

B. You’re joking! His current job is too good for him to quit.

C. You’re winding me up! His current job is too good for him to quit.

D. All are correct.

62. All workers are asked to follow the safety rules at the construction site.

A. All the workers must follow the safety rules at the construction site.

B. All the workers should follow the safety rules at the construction site.

C. Not all the workers are obliged to follow the safety rules at the construction site.

D. Not all workers are asked to break with the safety rules at the construction site.

_____The end_____

chọn đáp án sai:

56. In  Japan, you should  to remove  your shoes when entering  a private house.

 A. should                        B. to remove                    C. entering             D. in

57. As  a child, I must  go to sleep  before 10 p.m, after finishing  all my homework.

A. as                                B. must                  C. finishing            D. to sleep