Sự khác nhau về thiên nhiên giữa các vùng núi theo Đông – Tây chủ yếu do
A. kinh tuyến.
B. hướng núi.
C. sự tác động của các luồng gió.
D. Câu B + C đúng.

Choose the best answer for the following sentence:
The epidemic was so ____________ that the competition had to be cancelled.
A. severe                    
B. severely                   
C. severity                   
D. severities

Find a mistake in the four underlined parts of the sentence and correct it:
Would you mind give me a hand with this bag?
A. give
B. a hand
C. with
D. this bag

Choose one sentence that has the same meaning to the root one:
I’d rather you didn't tell him the truth.
A. Why did you tell him the truth?
B. If you didn’t tell him the truth, it would be better.
C. I wish you had told him the truth.
D. I wish you wouldn’t tell him the truth.

Choose the best answer for the following sentence:
There is a lot of variation between the regions ____________ average income.
A. with                  
B. against                   
C. in                 
D. upon

Choose the best answer for the following sentence:
When he ___________ home he turned on the radio.
A. had got up 
B. was getting up
C. would get up 
D. got up

Choose one sentence that has the same meaning as the root one:
Bob had better go before it gets dark.
A. It's dark now, and Bob ought to have gone before.
B. Bob had left before it got dark.
C. Bob should go while it's still daylight.
D. It's better for Bob to leave in darkness.

Choose the word that has the underlined part pronounced differently from the rest:
happen                 many                  example                     family
A. happen                
B. many                  
C. example                     
D. family

Choose the best answer for the following sentence:
The air-hostess had known that you were ill,_______________ ?
A. didn't she
B. hasn't she
C. hadn't she
D. isn't she

Choose the correct sentence which is built from the words and phrases given:
In 1900 / Einstein / become / teacher / mathematics and physics.
A. In 1900, Einstein has become a teacher of mathematics and physics.
B. In 1900 and then Einstein became a teacher of mathematics and physics.
C. In 1900, Einstein became a teacher of mathematics and physics.
D. In 1900 Einstein becomes a teacher of mathematics and physics.