I.1.A. simplify/ai/    B. occupy/ai/      C. difficulty/i/   D. supply/ai/

I.2.A. school /k/      B. chemistry/k/   C. character/k/   D. machine/ʃ/

I.3.A.collected/id/     B. visited/id/     C. studied/d/     D. decided/id/

II.1.A. eco'nomic     B. in'spection    C. regu'lation      D. edu'cation

II.2.A. em'ployee     B. Japa'nese        C. a'ppear           D. engi'neer

III.1. Air pollution, together with littering, is causing many problems in our cities today.

III.2. If I were you, I would do something to prevent him from littering.

III.3. I couldn't sleep because there was a loud noise next to my door last night.

III.4. On Christmas Eve, most big cities, especially London decorated with colored lightsacross the streets and enormous Christmas trees. 

III.5. Last year, there was a big typhoon in my area. It caused extensive damage to our property
III.6. Rescue workers were sent to the area immediately, but no villager was survived when the landslide happened.

III.7. Don't drink that water. It's contaminated

III.8. Alexander Graham Bell was a great scientist, who invented the telephone.

III.9. If the factory continues dumping poison into the lake, all the fish and other aquatic animals will die. 

III.10. If the teacher were here now, we’d ask him the difference between “science” and “technology”.

IV.1. The polluted makes fish die

IV.2. If I were you, I would plant vegetables in the garden.

IV.3. He said that before the invention of the airplane people travelled by train and car.

IV.4. We think scientists founded cures to HIV soon.

IV.5. Vietnam's Independence Day is celebrated on September 02.

IV.6. When we arrived home, my parents had done the chores together.

I. Chọn từ có phần gạch chân được phát âm khác với các từ còn lại

1.C difficulty /i:/ còn lại là /aɪ/

2.D machine /ʃ/ còn lại là /k/

3.C studied /d/ còn l ại là /ɪd/

II. Chọn từ có trọng âm chính rơi vào vị trí khác so với các từ còn lại

1.B in`spection trọng âm 2, còn lại 3

2.B `Japanese trọng âm 1 còn lại 2

IV. Choose the best answer A,B,C or D to complete the sentences.

 1. B.pollution

 2. A.would

 3. B.because

 4. A decorated

 5. C. property : tài sản

 6. A rescue

 7. C contaminated

 8. C. scientist

 9. A into

10.C between

III. Put the verbs in the brackets into the right forms  to complete the sentences

1.The polluted make fish die

2.If I were, I would plant vegetables in the garden.

3.He said that before the ivention of the airplane people had travelled by train and car.

4.I think scientists will find cures to HIV soon.

5Vietnam`s Independence Day is celebrated on September 02rd.

6.When we arrived home, my parents were doing together.