II. Chọn đáp án đúng (A, B, C hoặc D).
1. If I ________ a lot of money now, I ________ a new car.

A. have /will buy        B. have / would buy    C. had/ will buy          D. had/ would buy.

2. If I ________ you, I ________ do that.

A. am/ will                  B. were /would           C. were/ will               D. have been/ would.

3. If she sells her car, she ________ much money.

A. gets                         B. would get               C. will get                   D. have got.

4. If she sold her car, she ________ much money.

A. gets                         B. would get               C. will get                   D. have got.

5. They wish that they ________ in Hue now    A. stay        B. stayed         C. are staying   D. would stay

6. They wish that they _____ in Hue next year.    A. stay     B. stayed         C. are staying    D. would stay

7. She’ll get wet if we ________ out.   A. goes                     B. go   C. went                       D. had gone.

8. If I find it, I ________ you.     A. will tell              B. would tell               C. have told                  D. told.

9. If the wall weren't so high, he ________it up to take his ball down.
            A. climbed                  B. could climb            C. is climbing             D. climb
10. If you press that button what ________?
            A. would happen         B. have happened       C. will happen             D. happen
11. If I ________in London now, I could visit British Museum.
            A. were                       B. have been               C. am                         D. would be
12. If you ________Mary by chance, please give her my phone number
            A. met                         B. should meet            C. could meet              D. will meet

13. What would you do if you ________ a million dollars?

A. would win              B. win                         C. have won                D. won.

14. If I had enough money, I ________abroad to improve my English.

A. will go                    B. should go                C. would go                D. have gone

15. If Tom ________ up early, He will be late for the class

A. doesn’t get             B. won’t get                C. isn’t getting            D. can’t get

III. Chọn đáp án đúng (A, B, C hoặc D).

1. My father ______________ for this car-making factory since 1995.

A. worked                   B. was working           C. has worked                         D. have worked

2. I don’t have a computer. I wish I _______ one.  A. have   B. have had     C. had             D. will have

3. The Robinson _____ in Ha Noi in 2000.   A. arrived        B. arrive          C. has arrived               D. will arrive

4. Your father ______ in a bank, doesn’t he? A. is working B. works          C. has worked                        D. worked

5. Tom said that he ______ in Manchester City then.  A. has lived   B. is living    C. was living        D. lived

6. Nick _____ sick yesterday, so he didn’t go to school.   A. is        B. was    C. has been                D. will be

8. If I ______ enough money, I’ll buy a dictionary.  A. have            B. had   C. will have    D. would have

10. If I ___ her number, I would phone her.   A. know           B. had known  C. would know   D. knew

12. Don’t be noisy! I ______________ my homework

A. am doing                B. was doing               C. do                           D. did         

13. This old man is often busy with ______________ waste paper after school.

A. collecting               B. collected                 C. collects                   D. to collect

14. The city of London ____________ by the fire in the 16^th century.                   

A. is destroyed            B. was destroyed        C. destroyed                D. has been destroyed

15. When I came to see Mr. Brown last night, he ____________a newspaper in his own room.

A. read                        B. has read                  C. is reading               D. was reading

16. He was afraid of _____ the old lesson.  A. study             B. to study             C. studying          D. studied        

17. My brother usually _____ to work early.   A. go             B. goes            C. went            D. has gone

18. I ____________ anything for two days, so I am very hungry now.

            A. hasn’t eaten            B. haven’t eaten          C. didn’t eat                D. don’t eat

19. Mr. Nam _______________ a lot when he was twenty years old.

            A. was smoking          B. smoked                   C. has smoked            D. is smoking

21. We ______ the car at 9.00 yesterday   A. were cleaning   B. cleaned     C. have cleaned            D. clean

22.  They haven’t met each other since they __________ school.

            A. leave                       B. leaved                     C. left                          D. B & C are correct

23. She likes _____ cartoon in her free time.   A. watching              B. watches      C. watched           D. watch

24. When we __________ home yesterday, Lan was cooking dinner.

            A. come                      B. came                       C. was coming            D. has come

25. My pen pal, Maryam _____________ a letter to me since last year.

            A. didn’t write            B. doesn’t write          C. hasn’t written         D. wasn’t writing

            26. He _______ a kilo of beef now.A. want              B. to want       C. wants                      D. is wanting

27. I suggested __________ in groups.  A. work                   B. worked       C. should work    D. working

28. A: “I’m very tired” – B: “You ought to _____ inside. A. stay    B. staying        C. stayed D. be staying

I. Chia động từ trong ngoặc.sau do viet lai voi unless

1.      If you lived in HCM city, she (visit) __could visit__________________________ Sai Gon water park.

Unless  you lived in HCM city , she couldn’t visit… Sai Gon water park

2.      If someone (give) ____________________________ you a boat what will you do?

Unless……………………………………………………………….

3.      He always says hello if he (see) ____________________________ you

Unless……………………………………………………………….

4 What would you do if he (appear) ____________________________ tomorrow? Unless……………………………………………………………….

5 What you (say) ____________________________ if I offered you a job? Unless……………………………………………………………….

6 If it (not be) ____________________________  for you, I’d be late for the bus Unless……………………………………………………………….

7 If I had a typewriter, I (type) ____________________________  it myself. Unless……………………………………………………………….

8 If I (know) ____________________________ his address, I’d give it to you. Unless……………………………………………………………….

9 If he worked more slowly, he (not make) ___________________________ so many mistakes. Unless……………………………………………………………….

10 I wouldn’t drink that wine if I (be) __________________________you. Unless……………………………………………………………….

11 If I see him, I (give) ___________________him a lift Unless……………………………………………………………………………………………….

12If he (wash) ____________________________ my car, I will give him $5. Unless……………………………………………………………….

13 If she (need) _________________________a radio, she can borrow from nine. Unless……………………………………………………………….

Bài tập 5: Một chiếc xuồng chạy trên một dòng sông. Nếu xuồng chạy xuôi dòng từ A đến B thì mất 2 giờ, còn nếu xuồng chạy ngược dòng từ B đến A  thì phải mất 6 giờ. Tính vận tốc của xuồng khi nước yên lặng và vận tốc của dòng nước. Biết khoảng cách AB là 120km

Bài tập 4: Một ca nô chạy xuôi dòng sông dài 150km. Vận tốc của ca nô khi nước không chảy là 25km/h, vận tốc của dòng nước chảy là 5km/h. Tính thời gian ca nô đi hết đoạn sông đó

Bài tập 3: Một người đi xe đạp đi nửa quãng đường đầu với vận tốc 12 km/h và nửa quãng đường còn lại với vận tốc 20km/h. Hãy xác định vận tốc trung bình của người đi xe đạp trên cả quãng đường

Bài tập 2: Một người đi xe máy từ A đến B cách nhau 400m. Nửa quãng đường đầu xe đi trên đường nhựa với vận tốc v₁ = 36km/h, nửa quãng đường còn lại xe chuyển động trên cát nên có vận tốc v₂ = V1/2. Hãy xác định các vận tốc trung bình trên cả quãng đường AB.

Bài tập 2: Một người đi xe máy từ A đến B cách nhau 400m. Nửa quãng đường đầu xe đi trên đường nhựa với vận tốc v₁ = 36km/h, nửa quãng đường còn lại xe chuyển động trên cát nên có vận tốc v₂ = . Hãy xác định các vận tốc trung bình trên cả quãng đường AB.