Thực hiên nguyên tắc 5k:

-Khoảng cách.

-Khử khuẩn

-Khẩu trang

-Ko tụ tập

-Khai báo y tế

26. All the main streets in the city will be widening.

          A                     B      C                          D-> will be widen

 27. When she came, I read her letter.

          A               B        C      D

                               was reading

 28. English is speak all over the word.

                    A    B            C    D

                        spoken

 29. We didn’t write to each other for a couple of years.

                      A                   B                     C             D

          haven't written

V. Choose one option that best completes the second sentence.

 30. You must return the books by this Friday.

   The books .............................................................

A.    must been returned by this Friday.

B.     have be returned  by this Friday.

C.     have to return by this Friday.

D.    must be returned by this Friday.

  31. How long have you worked as a designer?

    When ______________________________________

A.    have you worked as a designer?

B.     did you start working as a designer?

C.     did you design your work?

D.    did you begin working for a designer?

  32. The last time I saw her was in 2005.

     I  ________________________________________

       A. haven’t seen her for 2005.

       B. haven’t seen her since 2005.

       C. haven’t seen her that was in 2005.

       D. saw her since 2005.

VI. Choose the correct sentence among A,B,C or D which has the same meaning as the given one.

  33. This sweater must be washed in warm water.

       A. You must wash this sweater in warm  water.

       B. Do wash this sweater in warm water, please.

      C. Warm water has to be washed in this sweater.

      D. We have to wash this sweater in warm water.

  34. He wrote the report in half an hour.

      A. It took him half an hour to write the report.

      B. It took half an hour for him to write thr report.

      C. It took him half an hour writing the report.

      D. It took him half an hour wrote the report.

  35. Mr Lam was planting some flowers when we came.

      A. Some flowers were planted by Mr Lam when we came.

      B. Some flowers were being planted when we came by Mr Lam.

      C. Some flowers were being planted by Mr Lam when we came.

      D. Some flowers were being planted by Mr Lam when we were come

nếu ko nhầm thì bạn cấp 3 phải ko

11. Rick will have a barber cut his hair.

=> Rick  will have his hair cut by a barber.

12. I will get the dressmaker to make a new dress.

=> I will get a new dress made.

13. He had a mechanic repair his car.

=> He had his car repaired.

14. She often gets the technician to maintain the heater.

=> She often gets the hearter maintained.

15.They had the police arrest the shoplifter.

=> They had the shoplifter arrested.

16.Are you going to have the shoemaker repair your shoes?

=> Are you going to have your shose repaired.

17. I must have the dentist check my teeth.

=> I must have my teeth checked by the dentist.

18. She will have a veterinary surgeon examine her dog.

=> She will have her dog examined by a veterinary surgeon.

19. We had a man take this photograph when we were on holiday last summer.

=> we had this photograph taken by a man when we were on holiday last summer.

20. The Greens had a carpet cleaner clean their carpet

=> The Greens had they carpet cleaned by a carpet cleaner.

a). bạn tự vẽ nhé. Mình ko gửi hình ảnh đc vs ko bik vẽ trên này.

b). Để (d) và (d') có 2 hàm số song song với nhau thì:

\(\left\{{}\begin{matrix}a=a'\\b\ne b'\end{matrix}\right.\)⇔ \(\left\{{}\begin{matrix}2=m+1\\3\ne5\end{matrix}\right.\)⇒\(\left\{{}\begin{matrix}m=1\\3\ne5\end{matrix}\right.\).

Vậy d1 và d2 song song với nhau khi m=1.

c). Để (d) và (d') có 2 hàm số cắt nhau thì:

                             a≠a' ⇔ m≠1

       Vậy d1 và d2 cắt nhau khi m≠1.

bị lỗi r:((