giúp mik vs mik cần gấp

 giúp mik vs mik cần gấp

a)7,2x111+3,6x2x890+1,8x4x999

b)1999,1999-(-2001,2001)

giups mik vs mik cần gấp

2,5x(4,1-3-2,5+2x7,2)+4,2:2

Bài 7:Điền “since” hoặc “for” vào chỗ trống

1. She has been in Vung Tau ................ January.

2.Ha and Nam have seen this film .............. 7 o’clock.

3. I have sent her 3 letters ................. last week.

4. My sister has worked at that hospital .................. 5 years.

5. I have known her ................ we were at elementary school.

6. Nam has become a footballer .................  3 years.

7. She’s been in London ................ Monday.

8. Mike has lived in Hanoi ................ four years.

9. I have written to her ................... Christmas.

10. We’ve not seen her ................... last month.

Bài 8:Chia động từ trong ngoặc ở thì hiện tại hoàn thành.

1. I (live)                             here since 1989.

2. They (work)                             for this factory for 20 years.

3. He (read)                              this novel three times.

4. Hoa and I (know)                              each other since we were at the same class.

5. I (not/see)                          her since last month.

6. I (not/work)                            have not worked today.

7. We (buy)                            a new lamp.

8. We (not/plan)                           our holiday yet.

9. Where (be/you)                               ?

10. He (write)                               five letters.

11. (be/you)                                at school?

12. School (not/start)                             yet.

13. (speak/he)                                to his boss?

14. No,he (have/not)                            the time yet.

15. The cat (just/catch)                              a mouse.

16. He (already/invite)                              his friends.

17. Julia (make)                                  a table with three columns.

18. The teacher (lose)                          the keys,so he can’t open the door.

19. I (just/clean)                               my bike.

20. My friends (give up)                              smoking.

giúp mik vs mik cần gấp

(6 và 4/9+7/11)-(4 và 4/9- 2 và 4/11

giúp mik vs mik cần gấp

Bài 2: Ngày thứ nhất , An đọc 1/4 số trang của một cuốn sách . Ngày thứ 2 , An đọc 3/8 số trang còn lại của cuốn sách đó . Số trang sách còn lại chưa đọc sau 2 ngày la 45 trang . Hỏi cuốn sách đó dày bao nhiêu trang ?

Bài 3: Hoa đọc một cuốn sách trong 3 ngày. Ngày thứ nhất bạn đọc được 2/5 số trang sách. Ngày thứ hai bạn đọc được 2/3 số trang sách còn lại. Ngày thứ ba bạn đọc 60 trang thì đọc xong cuốn sách. Hỏi cuốn sách bạn Hoa đọc có bao nhiêu trang?

Bài 6:Chọn câu trả lời thích hợp điền vào chỗ trống

1. My sister i still studying.She                            her homework yet.

               A. haven’t finished                             B. not finished

               C. hasn’t finished                               D. has not finishived                 

2. Since moving to Alberta, I                         a lot about the oil industry.

   A. learned           B. have learning           C. have learned        D. has learned

3. My father                         golf.

           A. never played                      B. have never played

           C. has never played                D. has not playing

4. Our class                        3 grammar quizzes so far this semester.

   A. has had            B. have had               C. had                D. has having

5. I                           English for 10 years,but I still have a lot to learn.

   A. studied             B. has studied          C. have studied         D. have studying

6. Every year for the past five years,my family                      to the Hawaii for a summer vacation.

   A. has traveling            B. has traveled          C. traveled         D. have traveled

7.                          the Di Vinci Code?It’s an interesting book.

          A. Have you ever reading                      B. Have you ever read

          C. You ever read                                    D. Has you ever read

8. I                             the famous American movie,The Gladiator.

      A. has never seen      B. have not seen    C. have never seen     D. never seen

9. My neighbor’s dog is barking.It                            for 2 hours now.

     A. has barking         B. barked             C. has barked          D. have barked

10. Why                            so much rice today?

     A. as you eaten         B. has you ate            C. have you ate     D. have you eaten

11. They                         the meeting time.

               A. haven’t forgotten                         B. hasn’t forgot

               C. haven’t forgot                              D.hasn’t forgotten

12. Mum                        to Spain before.

               A. have never driven                     B. has never drove

               C. have never drove                       D. has never driven

13 You                             the train tickets.

    A. hasn’t bought       B. haven’t bought      C. hasn’t buyed      D. haven’t buyed

14. She                          a horse before.

    A. have not rode     B. have not ridden     C. has not ridden       D. has not rode

15.                    the letter ?

               A. Have your dad written                   B. Have yur dad wrote

               C. Has your dad written                     D. has your dad wrote