Choose the correct sentence which is built from the words and phrases given:
sum up / cars / take the main responsibility / air pollution.
A. To sum up, cars took the main responsibility for air pollution.
B. Summed up, cars which were take the main responsibility for air pollution.
C. Summing up, cars were taken the main responsibility for air pollution.
D. Sum up, cars taking the main responsibility for air pollution.

Choose the best answer for the following sentence:
Her parents were very worried _____________ she was out so late that night.
A.  because  
B. due to   
C. owing to   
D. on behalf of

Choose the correct sentence which is built from the words and phrases given:
Hanoi / inhabit / since / at least 3000 BC / become / center / culture / economy / politics / Vietnam //.
A. Hanoi, which was inhabited since at least 3000 BC, has become the center of culture, economy, and politics of Vietnam.
B. Hanoi, has been inhabited since at least 3000 BC, has become the center of culture, economy, and politics of Vietnam.
C. Hanoi, which has inhabited since at least 3000 BC, has become the center for culture, economy, and politics of Vietnam.
D. Hanoi, which has been inhabited since at least 3000 BC, has become the center of culture, economy, and politics of Vietnam.

Choose the word that has the underlined part pronounced differently from the rest:
mate                     great                         prey                        have
A. mate                     
B. great                            
C. prey                                                          
D. have

Đặc điểm nào sau đây không đúng với mạng lưới sông ngòi nước ta?
A. Ít phụ lưu.
B. Nhiều sông.
C. Phần lớn là sông nhỏ.
D. Mật độ sông lớn

Find a mistake in the four underlined parts of the sentence and correct it:
Some people think that drinking bear gall should abandon to maintain these rare animals.
A. think
B. drinking
C. abandon
D. rare

Choose a word that has different stress pattern:
organism                       investigate                     diversity                   technology
A. organism                       
B. investigate                     
C. diversity                   
D. technology

Đường cơ sở của nước ta được xác định là đường :
A. Nằm cách bờ biển 12 hải lí.
B. Nối các điểm có độ sâu 200 m.
C. Nối các mũi đất xa nhất với các đảo ven bờ.
D. Tính từ mức nước thủy triều cao nhất đến các đảo ven bờ.

Đặc điểm khí hậu miền Bắc là
A. mùa đông khô lạnh, ít mưa, mùa hạ nóng ẩm mưa nhiều.
B. mùa đông lạnh mưa nhiều, mùa hè nóng ẩm ít mưa.
C. phân hóa thành mùa mưa, mùa khô.
D. mùa đông ấm, mưa ít, mùa hạ mát, mưa nhiều.

Choose one sentence that has the same meaning to the root one:
Picking flowers is not permitted here.
A.  Everyone don't need to pick flowers here.
B. Do not pick flowers here.
C. Do not remove these flowers.
D. Flowers are on sale here.